What is the number 7.3×10^−8 written in decimal notation?(1 point)

Responses

730,000,000
730,000,000

0.000000073
0.000000073

0.0000000073
0.0000000073

0.00000007.3

To write the number \( 7.3 \times 10^{-8} \) in decimal notation, you move the decimal point in the number 7.3 to the left 8 places because the exponent is -8.

Starting with 7.3, you move the decimal point 8 places:

7.3 → 0.73 → 0.073 → 0.0073 → 0.00073 → 0.000073 → 0.0000073 → 0.00000073 → 0.000000073

So the number \( 7.3 \times 10^{-8} \) written in decimal notation is \( 0.000000073 \).