When square root of 2800 is written as a mixed radical in form of a radical b, the value of ab is
A) 7
B) 27
C) 140
D) 280
I square root and simply it and got the answer 20 radical 7. But how do I find the value of ab
1 answer
well, 2800 is 20^2 * 7 so ab = 140
1 answer