Question

find the smallest number by which 4900 must be multiplied to obtain a perfect cube ?

1) 6
2) 5
3) 7
4) 8​

Answer 1

Answer:-

Your Option are actually Wrong!

Correct answer is 70.

Answer 2

Answer:

first we will take prime factorisation of 4900.

STEP BY STEP EXPLANATION:

4900-2*2450*2*1225*5*245*

5*49*7*7*7*1

√4900=√2*2 * 5*5 * 7*7

4900 =2*5*7

=70