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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
3.15 Laws of Exponents - I

The product of the two powers of the same base is a power of the same base with the index equal to the sum of the indices.

i.e. if a0 be any rational number and m, n are positive inters, then

am*an = am+n

Example:
x3*x4 = _____?
Solution:(x.x.x)*(x.x.x.x)
x.x.x.x.x.x.x = x7 = x3+4


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: a2b3c*a2bc2 = _____?
a4b4c3
a2b4c3

Q 2: (2x+3)2*(2x+3)4 = _____?
2x6+3
(2x+3)6

Q 3: (x+y)*(x+y)3 = _____?
(x+y)4
(x+y)3

Q 4: xyz*xyz = _____?
xyz2
(xyz)2

Q 5: x2*7x2 = _____?
7x4
(7x)4

Q 6: (x+2)*(x+2)2 = _____?
(x+2)3
x3+2

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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