How many times greater is 8.4 x 10-^5 than 2.1 x 10^-6? a. 0.04 b. 0.4 c. 4 d. 40

asked Apr 11, 2020 161k views

5 votes

How many times greater is 8.4 x 10-^5 than 2.1 x 10^-6?

a.
0.04
b.
0.4

c. 4
d. 40

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0 votes

Answer:

Explanation:

$(8.4\cdot 10^(-5))/(2.1\cdot 10^(-6))=(8.4)/(2.1)\cdot 10^(-5-(-6))=4\cdot 10^1=40$

8.4×10^-5 is 40 times the value of 2.1×10^-6

Tsahi Asher answered Apr 18, 2020

5.5k points

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