Question

Nationally, there were 217.8 million people age 18 and over and 53.3 million children ages 5 to17 as of July 1, 2003, according to estimates released by the U.S Census Bureau. How do you write the number of people age 5 and older in scientific notation? a) 2.711x10^2 b) 2.711x10^6 c)2.711x10^7 d) 2.711x10^8

Answer 1

first add 217.8 million and 53.3 million to get number of people older than 5.

Answer 2

what do you get ?

Answer 3

271,100,000

Answer 4

right now we convert that to scientific format

the general form is N.NN... * 10^n