Question

b) (-10)³• (-10)⁴• (-10)²
c) (-12)•(-12)•(-12)²
o resto nas fotos​

Answer 1

A)
4^2 . 4^3
=4^(2+3)
= (+4)^5
= 4^5
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B)
(-10)^3 . (-10)^4 . (-10)^2
= (-10)^(3+4+2)
= (-10)^9
________

C)
(-12).(-12).(-12)^2
= (-12)^(1+1+2)
= (-12)^4

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D)
(-6)^8 : (-6)^2
= (-6)^(8-2)
= (-6)^6
___________
E)
9^3 : 9
= 9^(3-1)
= (+9)^2
= 9^2
__________
F)
(-21)^4 : (-21)^3
= (-21)^(4-3)
= (-21)^1
___________