The exponent indicates how many times the base is used as a factor
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▹ Answer
<em>d. 7/20</em>
▹ Step-by-Step Explanation

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Answer: The answer would be D.
Step-by-step explanation:
Subtracting 7 from 107 would make it 100. Adding that 7 to 353 would make in 360. It is easier to do 360 - 100 in your head.
X(x+1) = 306
Distribute the x
x² + x = 306
move all terms to the left and set the equal to zero (be sure to change the sign for all terms moved)
x² + x - 306 = 0
x -17
x 18
(x - 17)(x + 18)
x = -18, 17
pg. 17 & 18 is visible
hope this helps
I'll help but what are u supposed to do