The temperature drops 2 degrees in x hours, we could write it as
(-2)x
Because it drops for 10 hours, change the x into 10
(-2)(10)
= -2 × 10
The answer is option a
Prime Factorization = Divide by factors that are prime number
147 ÷ 3 = 49
49 ÷ 7 = 7
7 ÷ 7 = 1
147 = 3 x 7 x 7
147 = 3 x 7²
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Answer: 147 = 3 x 7²
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