How do you write 6.43999001 x 10^8 in standard form?

Standard form is writing numbers down easily. So we can do this we need to take 6.43999001 and times that by 10^8

The trick too doing this is taking the decimal point and moving it 8 places to the right.

Your answer in standard form would be 643,999,001

6.9

step-by-step explanation:

simple math really

6 1/2 times 0.6 = 3.9

but if you are just doing 6 and not 6 1/2 then the answer is 3.6

john earns $14.00 for two hours of work.