Question

A dust particle weighs 7.42 × 10-10 kilograms. What is the weight of 5 × 106 dust particles represented in scientific notation?

Answer 1

Step-by-step explanation:

A dust particle weighs 7.42 × 10-10 kilograms.

Weight of 5 × 106 dust particles = 5 × 10^6 x 7.42 x 10^(-10)

= 5 x 7.42 x 10^(6-10)

= 37.1 x 10^(-4)

= 3.71 x 10^(-3) kilograms

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Answer 2

Answer:

12.7793/07396

Step-by-step explanation:

cause 4+7 = 12.7793/07396