Exponents and Powers Class 7 Mathematics Extra Question and Answers for CBSE / NCERT Board Students
Exponents and Powers Extra Questions and Answers for Class 7 Level Students of CBSE / NCERT Board Published in this Page. Here we provided 01 Marks that’s mean MCQ Type Questions and their Solution And Long Answer Type Questions & Solution. Class VII Students can follow this Page.
Long Answer Type
(1) If 3x = 900 then find the value of 3 (x-2).
(3) Express the following numbers in standard form 5,83,00,00,00,000 24 million
(4) If 5y = 652 , then what is the value of y ?
Solution:
MCQ Type
(1) in power notation can be written as
(a)
(b)
(c)
(d)
(2) The exponential form of 8×8×8×8 with base 2 is
(a) 210
(b) 28
(c) 212
(d) 29
(4) Standard form of 86 867000000000000000000 is
(a) 8.67×1020
(b) 86.7 × 1020
(c) 867×1017
(d) 86.7× 1019
(5) X5 X2 IS
(a) X
(B) X2
(C) X3
(D) X4
In case you are missed :- NCERT Extra Questions for Algebraic Expressions
(6) The value of a0 is a
(a) 0
(b) 1
(c) a
(d) Not defined
Short Answer Type
Solution:
Very Short Answer Type
(1) Express 0.0084 in scientific notation.
(2) Express 0.000004156 standard form
(3) Find y8 xy7
(4) Value of (50-70) × (50+70+60)
(5) Express 4×4×a×4×a×4×a×a×4 in exponential form.
Solution:
In case you are missed :- NCERT Extra Questions for Rational Numbers