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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
1.15 Laws of Exponents

If m and n are positive integers and a not equal to 0, then,
  1. am x an = am+n
  2. am/an = am-n
  3. (am)n = amn
  4. (ab)m = am . bm
  5. a-1 = 1/a

Example: a7 x a5
Solution: a7-5
Answer: a2


Directions: Solve the following.
Q 1: (xa/xb)a-b (xb/xc)b-c (xc/xa)c-a
x
0
1

Q 2: Find x if 3x+1 = 27x+3
6
-4
2

Q 3: (4n+2 - 4n+1)/(5 x n-4n)
0
3
1

Q 4: (a6b-12)1/3/(a-4b8)1/3
a6/b5
a3/b
a3/b6

Q 5: Find x if 42x = 128
7/4
3/4
1

Q 6: Find x if 32x = 93x-4
3
1
2

Q 7: Find x if x3/4 = 8
8
2
16

Q 8: (2x3/3y-2)3
11/27 x9y6
23/27 x9y6
8/27 x9y6

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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