Question

Please choose the answer that describes the scientific notation for 3,134,000,000. A. 3.143 × 1045 B. 3.134 × 109 C. 3.143 × 109 D. 31.34 × 109

Answer 1

B. 3.134 × 109 
When doing scientific notation, start with the decimal at the end of the whole number, and bring it to the front of each individual number one at a time, while counting, until you reach the space inbetween the first and second number. The number of decimal places you moved will be the correct exponent.

Answer 2

it would be answer choice B since pure moving 9 units to te left to find your answer.