Answer:
2.82842712475
Step-by-step explanation:
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If we are scaling up the surface area by a factor of 10 means that the two dimensions of area are each being increased by 10 times the original size. Therefore, the surface area is increased by a factor of 10 x 10, or by a factor of 100.
Answer:

Step-by-step explanation:
Let's look at the prime factors of 210.
210 = 2 * 3 * 5 * 7

Since no factor appears more than once, this radical cannot be simplified.
Answer:
6 3/8
Step-by-step explanation:
1.5x4.25=6.375=51/8= 6 3/8
Answer:
9.2
Step-by-step explanation:
102/11
i would take him 9.2 months to pay back