The heart beats about 3 x 10° times during the lifetime of the average person. Which
number shows another way to write 3 x 10°?
300,000,000
30,000,000
3,000,000
3,000,000,000

The heart beats about 3 x 10 times during the lifetime of the average person Which number shows another way to write 3 x 10 300000000 30000000 3000000 30000000 class=