Verified Answer :

bonniefreeyo11

There only one zero in the simplified expression four times 10x

apologiabiology

let's try some numbers
4*10ˣ
\(4*10^1\)=40, 1 zero
\(4*10^2\)=400, 2 zeroes
\(4*10^3\)=4000, 3 zeroes

hmm
\(4*10^x\)=x zeroes

answer is A, x zeroes

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