Answer:
7.72 * 10^15
Step-by-step explanation:
8*10^15 - 2.8*10^14 = 7.72 * 10^15
Easily, take the square root of the number in the right side to find the radius

is the answer
Answer:
Yes 20/30 is equivalent to 2/3
Step-by-step explanation:
Divide the fraction 20/30 by 10/10 to simply to 2/3
Answer:
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So 32 dollars for 8 cookies.
To find the price of one item, you take the amount of items, and divide it by the price:
32 / 8 = 4 dollars for the price of 1 cookie.