Important Class 8 of Exponents Questions and Answers Paper (For CBSE, ICSE, IAS, NET, NRA 2022)
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Question 1
Evaluate
(i)
(ii)
(iii)
Answer
As we know that
(i)
(ii)
(iii)
Question 2
Simplify and express the result in power notation with positive exponent.
(i)
(ii)
(iii)
Answer
i.
ii
Question 3
Find the value of.
(i)
(ii)
(iii)
Answer
(i)
ii.
iii.
as
Question4
Find the value of x here
Answer
Or
Question 5
Find the value of m for which
Answer
So
Question 6
Express the following numbers in standard form.
(i) 0.0000000015
(ii) 0.00000001425
(iii) 10200000000000000
Answer
(i) 0.0000000015
0.00000001425
10200000000000000
Question 7
Express the following numbers in usual form.
(i)
(ii)
(iii)
(iv)
Answer
(i)
(ii
(iii)
(iv)