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astraxan [27]
3 years ago
12

Find a close estimate for: √18

Mathematics
2 answers:
sashaice [31]3 years ago
6 0
The square root for 18 is 4.242.... , not sure how you want it estimated
aev [14]3 years ago
4 0

Another way to estimate sqrt(18) is to understand that

sqrt(18)

=sqrt(9)sqrt(2)

=3sqrt(2)

=3*1.414

=4.242


Note: estimate for sqrt(2) can be by common usage, or the fact that 14*14=196.

memorizing a few square-roots is an advantage in these situations:

sqrt(2)=1.41421356

sqrt(3)=1.7320508

sqrt(5)=2.2360680

etc.

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