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18 votes
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

User Alno
by
4.5k points

1 Answer

8 votes

Answer:

I believe it is B

Step-by-step explanation:

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

User Hainq
by
3.9k points