5.3x10 also is 530,000,000,000
it is simply zero. the answer is 5.3 x 10^0 because 10^1 would force you to move the decimal place to make it 53....
The exponent on 10 when you write 5.3 in scientific notation is 0. This is because 5.3 is already in the correct format, and no decimal point shifting is required. Thus, we express it as 5.3 × 1 0 0 .
;