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Which of the following Numbers is the best compatible number for estimating the quotient of 648 divided by 7?

User Uthman
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2 Answers

4 votes

Answer:92 4/7

Explanation:

User Sunskin
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4 votes

Answer:

The compatible numbers are 630 and 14. The quotient is about 92. The quotient is
92(4)/(7).

Explanation:

The dividend is 648 and the divisor is 7.

The number 630 is a compatible number because product of 7 and 9 is 63.

So, 648 can be written as


648=630+18

The number 14 is a compatible number because product of 7 and 2 is 14. So, 648 can be written as


648=630+14+4


(648)/(7)=(630+14+4)/(7)=90+2+(4)/(7)=92+(4)/(7)

Therefore the compatible numbers are 630 and 14. The quotient is
92(4)/(7).

User Jameek
by
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