Question

Simplify 2(to the power of 3) x 2(to the power of 18)

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Answer 1

Answer:

since base 2 is same and multiplication sign is between, hence powers will be added

2 (power 3 + power 18)

2 (power 21) <-Answer

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Answer 2

Answer:

$2 ^3 \times 2 ^{18} =2 ^{18 + 3} = 2 ^{21}$