3.241208 × 10 to the eighth power
Decimal is the dot used after the ones to show parts of one you normally see it in money. 1.50. The . between 1 and 50 is the decimal. Whats in front of the decimal is ones, tens, hundreds, etc and after the decimal is tenths, hundredths, etc.
Hope I helped<span />
It would be B because you would take amelias age and take two away since todd is five years younger to get the a-5.
hope this helps :)
