−1⋅7Multiply, noting that the signs are different−7so the product is negative.−7 is the opposite of 7. In part (1...−1⋅7Multiply, noting that the signs are different−7so the product is negative.−7 is the opposite of 7. In part (1), the exponent means to raise what is in the parentheses, the (−2) to the 4th power. In part (2), the exponent means to raise just the 2 to the 4th power and then take the opposite.