Question

Evaluate 8- m/n+p ^2 when m=8 n=2 p=7

Answer 1

8-m/n+p^3= 8-8/2+7^2       sub in the numbers for the variables
(8-8)/2+7^2                         Exponents
(8-8)/2+49                           add the denominators together
(8-8)/60                               subtract 8-8
0/60                                     is the answer (which doesn't seem right to me)

Answer 2

Answer: 53.

Step-by-step explanation:

The given expression : $8-\dfrac{m}{n}+p^2$

To find : The value of the above expression for the values m=8, n=2 and p=7.

For that , we just substitute the gives values m=8, n=2 and p=7 in the above expression by using Substitution property  , we get

$8-\dfrac{8}{2}+(7)^2$  

Simplify,

$=8-4+49$  

$=4+49=53$    

Hence, the correct value of the given expression when m=8 n=2 p=7 is 53.