Question

a)
$(5)²$
B)
$(- 8)²$
C)
$(6)³$
d)
$(- 7)³$


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Answer 1

${5}^{2} = 5 \times 5 = 25 \\ ( { - 8})^{2} = ( - 8) \times ( - 8) = + 64 \\ {6}^{3} = 6 \times 6 \times 6 = 216 \\ ( { - 7})^{3} = ( - 7) \times ( - 7) \times ( - 7) = - 343$