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Hoochie [10]
3 years ago
9

Can someone please help with my maths homework? I need to estimate the value of 102.3 / 4.7

Mathematics
2 answers:
SVEN [57.7K]3 years ago
6 0
The answer would be 20.

102.3 can be rounded down to 100 and 4.7 can be rounded up to 5. 100 divides by 5 is 20.

The trick is to find the 2 closest numbers that you can do mental math with.
anyanavicka [17]3 years ago
3 0
OK  - convert  the 2 numbers  to  one significant figure:-

102.3  = 100
4.7 = 5

So the estimate is 100/5  = 20 answer
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