Find the value of ‘?’ in \sqrt{(?\times7)}\times18=84

Powers and Roots Practice Test 2

Question : 5 of 40

Marks: +1, -0

Find the value of ‘?’ in

√{(?×7)}×18=84

Solution:

√{(?×7)}×18=84

√{(?×7)}=84/18

7×?=4.66^2

?=21.74/7=3.106=3.11

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