heroinedivine heroinedivine

05-12-2020
Mathematics

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On average, a person’s heart beats about 4.2×107 times per year. There are about 7,600,000,000 people in the world. Use this data to approximate the number of heartbeats for all the people in the world per year. Expressing your answer in scientific notation in the form a×10b, what are the values of a and b?

Respuesta :

micahrick06 micahrick06

05-12-2020

Answer:

a=3.192 b=17

Step-by-step explanation:

I just used a graphing calculator to multiply the req. numbers

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