Powers and Roots
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Q1
The simplified form of is
Marks:1Answer:
9m^{2}n.
Explanation:

Q2
1 raised to the power any whole number is
Marks:1Answer:
1.
Explanation:
Let ‘a’ be any whole number, then
1^{a} = 1, for example, if ‘a’ = 4, then 1^{4} = 1 
Q3
The value of (6)^{4 x 3 – 8  4} is
Marks:1Answer:
1.
Explanation:
(6)^{4 x 3 – 8  4 }= (6)^{12  12}
= (6)^{0}
= 1 
Q4
a^{2}b^{3} is same as
Marks:1Answer:
b^{3}a^{2}.
Explanation:
The terms a^{2}b^{3} and b^{3}a^{2} are same, since the powers of a and b in these two terms are same.
i.e., a^{2}b^{3} = a X a X b X b X b and b^{3}a^{2 }= b X b X b X a X a are same.
(The order of factors does not matter.) 
Q5
Power notation of is
Marks:1Answer:
Explanation: