**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__

__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 __

__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) 2 ^{10 }**

**(b) 2 ^{8} **

**(c) 2 ^{12}**

**(d) 29**

**(4) Standard form of 86 867000000000000000000 is **

**(a) 8.67****×****10 ^{20}**

**(b) 86.7 ****× 10 ^{20}**

**(c) 867****×10 ^{17}**

**(d) 86.7× 10 ^{19}**

**(5) X ^{5} **

**X**

^{2}IS**(a) X**

**(B) X ^{2}**

**(C) X ^{3} **

**(D) X ^{4}**

**In case you are missed :- NCERT Extra Questions for Algebraic Expressions**

**(6) The value of a ^{0 }is a **

**(a) 0 **

**(b) 1 **

**(c) a**

**(d) Not defined**

__Short Answer Type__

__Short Answer Type__

**Solution:**

__Very Short Answer Type __

__Very Short Answer Type__

**(1) Express 0.0084 in scientific notation. **

**(2) Express 0.000004156 standard form **

**(3) Find y ^{8} xy^{7}**

**(4) Value of (5 ^{0}-7^{0}) × (5^{0}+7^{0}+6^{0})**

**(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**