Anonymous Anonymous

30-01-2016
Mathematics

Answered

Using benchmarks, what is the approximate value of each?

Using benchmarks, what is the approximate value of each? class=

Verified Answer :

30-01-2016

for a 77=49 so sqrt(49)=7
66=36 so sqrt(36)=6

and since sqrt(x) is am increasing function then
6 < sqrt(42) <7

you do the same for b but with 4 values :
like 444= 64
and 333=27

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