Question

1,431,281.810,739,360 in standard form

Answer 1

To put the number in the standard for letting it lies between 1 and 10 and multiplies it by 10 to the power of the number of decimal places

$1,431,281,810,739,360\text{ = }1.431281810739360\times10^{15}$

We moved from right to left 15 decimal places, so the power of 10 is 15

if we round it to 2 decimal places the answer will be

$1.43\times10^{15}$