7.3*10^-8 decimal notation

0.000000073

To write 7.3 * 10^-8 in decimal notation, we start with the number 7.3 and move the decimal point 8 places to the left because the exponent is negative.

7.3 * 10^-8 = 0.000000073

To convert 7.3 * 10^-8 into decimal notation, you need to move the decimal point to the left by 8 places since the exponent is negative.

Starting with 7.3, we move the decimal point 8 places to the left:
7.3 * 10^-8 = 0.000000073

So, in decimal notation, 7.3 * 10^-8 is equal to 0.000000073.