Mark multiplied a number by itself. He found a product of 30. What is the number, rounded to the
nearest tenth?
A. 4.5
B. 5.4
C.5.5
D. 15.0

C.] 5.5

Step-by-step explanation:

It is mentioned that the number was multiplied by the number itself.

Let's take 'x' as the number. It was multiplied by itself and the product is 30. So the equation will be:

x × x = 30

= 30

x =

x = 5.47 = 5.5 (to the nearest tenth)

step-by-step explanation:

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