Advertisements
Advertisements
Question
If m = 9 and n = − 2, evaluate 2m2n
Sum
Advertisements
Solution
2m2n
= 2 × m × m × n
= 2 × 9 × 9 × (− 2)
= 2 × 81 × (− 2)
= − 324
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
If m = 2, find the value of 3m − 5.
If m = 2, find the value of 3m2 − 2m − 7.
When a = 0, b = −1, find the value of the given expression:
a2 + ab + 2
Simplify this expression and find its value if x = 3, a = −1, b = −2.
10 - 3b - 4 - 5b
If z = 10, find the value of z3 − 3 (z − 10).
If x = 10, evaluate:
`1/50xx"x"^3`
If x = 5 and y = 4, evaluate:
3x2y
If a = − 10, evaluate:
3a – 2
If m = − 8, evaluate:
m2 + 9m
If x = 2 and y = − 4, evaluate:
(5y)2
