Answered

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2.1 x 10^-3 x 2 x 10^2 =


a)
4.2 x 10^-5

b)
4.2 x 10^-1

c)
4.2 x 10^1

d)
4.2 x 10^-6

Sagot :

juli20722

Answer:

I believe it is B

Explanation:

hope it helps. please let me know if it's wrong

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