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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
6.6 Solving Equations with Exponents - II

Example:
If, 2n = 32, find the value of 2n+2.

Solution:
We know that am+n = am. an
Using above formula,
2n+2 = 2n*22
Given that 2n = 32,
= 32 * 22
= 32 * 4
= 128.
Answer: 128


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: If, 3n = 64, find the value of 3n+2.
546
576
566
536

Q 2: If, 4n = 64, find the value of 4n+2.
1256
1064
1024
1296

Q 3: If, 5n = 25, find the value of 5n+3.
3175
3125
3165
3145

Q 4: If, 22n = 64, find the value of 22n+2.
256
246
146
128

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!


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