D I did this question a while back
Answer:
439.6 inches
Step-by-step explanation:
The distance apart cna be obtained using the formular :
Number of revolutions = 7
Diameter, d = 20 inches
π * number of revolutions * diameter
3.14 * 7 * 20
= 439.6 inches
The exponent of the power is 11 in scientific notation.
<h3>Given </h3>
The numbers are;
The product of (9. 1 × 10^9)(7. 5 × 10^2)
<h3>What is scientific notation?</h3>
Scientific notation is a method of expressing numbers in terms of a decimal number between 1 and 10, but not 10 itself multiplied by a power of 10.
To find the product of the given numbers follows all the steps given below.
The product of number is;

Hence, the exponent of the power is 11 in scientific notation.
To know more about Scientific notation click the link given below.
brainly.com/question/4964086
Answer:
123000
Step-by-step explanation: 8,200 x 15 =123000