Question

Divide and give the answer in scientific notation: 1.2 x 10-3 4 x 106
A) 3.0 x 1018 B) 3.0 x 1010 C) 3.0 x 10-10 D) 3.0 x 10-9

Answer 1

C

1.2 × $10^{-3}$ ÷ 4 × $10^{6}$

= $\frac{1.2}{4}$ × $10^{-3}$ / $10^{6}$

= 0.3 × $10^{-3-6}$

= 3.0 × $10^{-1}$ × $10^{-9}$

= 3.0 × $10^{-10}$ → C

Answer 2

Answer:

the answer is C on UsaTestPrep

Step-by-step explanation:

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