D
He washes 60 sq ft in 1/4 of an hour. Multiply 60 by 4 and you get 240 per hour
The B option is correct.
<h2>Exponent</h2>
Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.
Given
A number is -906,060.
<h3>To find </h3>
The equivalent number of the given number.
<h3>How to find the equivalent number of the given number?</h3>
We know the number is -906,060.
It can be represented as
.
Thus, the B option is correct.
More about the exponent link is given below.
brainly.com/question/5497425
Answer: 42
Step-by-step explanation: Subtract 81 from 123 ;) your welcome
You would do 56 centimeters times 1 inch per 2.54 centimeters times 1 foot per 12 inches.
Mathematically, it will look like (56 * 1) / (2.54* 12) = approximately 1.837
In sentence form: There are approximately 1.837 feet in 56 centimeters.