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

point a is the center of this circle.

the ratio of the lengths of (ef/bc) and (ad/ih) is 2: 1.

step-by-step explanation: