12.2: Powers and Roots Last updated May 28, 2023 Save as PDF 12.1: Cumulative Review 12.3: Geometric Formulas Page ID115047 ( \newcommand{\kernel}{\mathrm{null}\,}\) nn n2n2 nn n3n3 n3n3 11 11 11 11 11 22 44 1.4142141.414214 88 1.2599211.259921 33 99 1.7320511.732051 2727 1.4422501.442250 44 1616 22 6464 1.5874011.587401 55 2525 2.2360682.236068 125125 1.7099761.709976 66 3636 2.4494902.449490 216216 1.8171211.817121 77 4949 2.6457512.645751 343343 1.9129311.912931 88 6464 2.8284272.828427 512512 22 99 8181 33 729729 2.0800842.080084 1010 100100 3.1622783.162278 1,0001,000 2.1544352.154435 1111 121121 3.3166253.316625 1,3311,331 2.2239802.223980 1212 144144 3.4641023.464102 1,7281,728 2.2894282.289428 1313 169169 3.6055513.605551 2,1972,197 2.3513352.351335 1414 196196 3.7416573.741657 2,7442,744 2.4101422.410142 1515 225225 3.8729833.872983 3,3753,375 2.4662122.466212 1616 256256 44 4,0964,096 2.5198422.519842 1717 289289 4.1231064.123106 4,9134,913 2.5712822.571282 1818 324324 4.2426414.242641 5,8325,832 2.6207412.620741 1919 361361 4.3588994.358899 6,8596,859 2.6684022.668402 2020 400400 4.4721364.472136 8,0008,000 2.7144182.714418 2121 441441 4.5825764.582576 9,2619,261 2.7589242.758924 2222 484484 4.6904164.690416 10,64810,648 2.8020392.802039 2323 529529 4.7958324.795832 12,16712,167 2.8438672.843867 2424 576576 4.8989794.898979 13,82413,824 2.8844992.884499 2525 625625 55 15,62515,625 2.9240182.924018 2626 676676 5.0990205.099020 17,57617,576 2.9624962.962496 2727 729729 5.1961525.196152 19,68319,683 33 2828 784784 5.2915035.291503 21,95221,952 3.0365893.036589 2929 841841 5.3851655.385165 24,38924,389 3.0723173.072317 3030 900900 5.4772265.477226 27,00027,000 3.1072333.107233 3131 961961 5.5677645.567764 29,79129,791 3.1413813.141381 3232 1,0241,024 5.6568545.656854 32,76832,768 3.1748023.174802 3333 1,0891,089 5.7445635.744563 35,93735,937 3.2075343.207534 3434 1,1561,156 5.8309525.830952 39,30439,304 3.2396123.239612 3535 1,2251,225 5.9160805.916080 42,87542,875 3.2710663.271066 3636 1,2961,296 66 46,65646,656 3.3019273.301927 3737 1,3691,369 6.0827636.082763 5065350653 3.3322223.332222 3838 1,4441,444 6.1644146.164414 54,87254,872 3.3619753.361975 3939 1,5211,521 6.2449986.244998 59,31959,319 3.3912113.391211 4040 1,6001,600 6.3245556.324555 64,00064,000 3.4199523.419952 4141 1,6811,681 6.4031246.403124 68,92168,921 3.4482173.448217 4242 1,7641,764 6.4807416.480741 74,08874,088 3.4760273.476027 4343 1,8491,849 6.5574396.557439 79,50779,507 3.5033983.503398 4444 1,9361,936 6.6332506.633250 85,18485,184 3.5303483.530348 4545 2,0252,025 6.7082046.708204 91,12591,125 3.5568933.556893 4646 2,1162,116 6.7823306.782330 97,33697,336 3.5830483.583048 4747 2,2092,209 6.8556556.855655 103,823103,823 3.6088263.608826 4848 2,3042,304 6.9282036.928203 110,592110,592 3.6342413.634241 4949 2,4012,401 77 117,649117,649 3.6593063.659306 5050 2,5002,500 7.0710687.071068 125,000125,000 3.6840313.684031 5151 2,6012,601 7.1414287.141428 132,651132,651 3.7084303.708430 5252 2,7042,704 7.2111037.211103 140,608140,608 3.7325113.732511 5353 2,8092,809 7.2801107.280110 148,877148,877 3.7562863.756286 5454 2,9162,916 7.3484697.348469 157,464157,464 3.7797633.779763 5555 3,0253,025 7.4161987.416198 166,375166,375 3.8029523.802952 5656 3,1363,136 7.4833157.483315 175,616175,616 3.8258623.825862 5757 3,2493,249 7.5498347.549834 185,193185,193 3.8485013.848501 5858 3,3643,364 7.6157737.615773 195,112195,112 3.8708773.870877 5959 3,4813,481 7.6811467.681146 205,379205,379 3.8929963.892996 6060 3,6003,600 7.7459677.745967 216,000216,000 3.9148683.914868 6161 3,7213,721 7.8102507.810250 226,981226,981 3.9364973.936497 6262 3,8443,844 7.8740087.874008 238,328238,328 3.9578923.957892 6363 3,9693,969 7.9372547.937254 250,047250,047 3.9790573.979057 6464 4,0964,096 88 262,144262,144 44 6565 4,2254,225 8.0622588.062258 274,625274,625 4.0207264.020726 6666 4,3564,356 8.1240388.124038 287,496287,496 4.0412404.041240 6767 4,4894,489 8.1853538.185353 300,763300,763 4.0615484.061548 6868 4,6244,624 8.2462118.246211 314,432314,432 4.0816554.081655 6969 4,7614,761 8.3066248.306624 328,509328,509 4.1015664.101566 7070 4,9004,900 8.3666008.366600 343,000343,000 4.1212854.121285 7171 5,0415,041 8.4261508.426150 357,911357,911 4.1408184.140818 7272 5,1845,184 8.4852818.485281 373,248373,248 4.1601684.160168 7373 5,3295,329 8.5440048.544004 389,017389,017 4.1793394.179339 7474 5,4765,476 8.6023258.602325 405,224405,224 4.1983364.198336 7575 5,6255,625 8.6602548.660254 421,875421,875 4.2171634.217163 7676 5,7765,776 8.7177988.717798 438,976438,976 4.2358244.235824 7777 5,9295,929 8.7749648.774964 456,533456,533 4.2543214.254321 7878 6,0846,084 8.8317618.831761 474,552474,552 4.2726594.272659 7979 6,2416,241 8.8881948.888194 493,039493,039 4.2908404.290840 8080 6,4006,400 8.9442728.944272 512,000512,000 4.3088694.308869 8181 6,5616,561 99 531,441531,441 4.3267494.326749 8282 6,7246,724 9.0553859.055385 551,368551,368 4.3444814.344481 8383 6,8896,889 9.1104349.110434 571,787571,787 4.3620714.362071 8484 7,0567,056 9.1651519.165151 592,704592,704 4.3795194.379519 8585 7,2257,225 9.2195449.219544 614,125614,125 4.3968304.396830 8686 7,3967,396 9.2736189.273618 636,056636,056 4.4140054.414005 8787 7,5697,569 9.3273799.327379 658,503658,503 4.4310484.431048 8888 7,7447,744 9.3808329.380832 681,472681,472 4.4479604.447960 8989 7,9217,921 9.4339819.433981 704,969704,969 4.4647454.464745 9090 8,1008,100 9.4868339.486833 729,000729,000 4.4814054.481405 9191 8,2818,281 9.5393929.539392 753,571753,571 4.4979414.497941 9292 8,4648,464 9.5916639.591663 778,688778,688 4.5143574.514357 9393 8,6498,649 9.6436519.643651 804,357804,357 4.5306554.530655 9494 8,8368,836 9.6953609.695360 830,584830,584 4.5468364.546836 9595 9,0259,025 9.7467949.746794 857,375857,375 4.5629034.562903 9696 9,2169,216 9.7979599.797959 884,736884,736 4.5788574.578857 9797 9,4099,409 9.8488589.848858 912,673912,673 4.5947014.594701 9898 9,6049,604 9.8994959.899495 941,192941,192 4.6104364.610436 9999 9,8019,801 9.9498749.949874 970,299970,299 4.6260654.626065 100100 10,00010,000 1010 1,000,0001,000,000 4.6415894.641589 Table B1