Laws of Exponents

Author:Subject Experts
7th CBSE
IMPORTANT

Important Questions on Laws of Exponents

MEDIUM
IMPORTANT

If y=493÷234×34, then find the value of y+2.

MEDIUM
IMPORTANT

If 354=a, -530=b, if the value of ab4 is 35k.

Then find the value of k.

MEDIUM
IMPORTANT

If the value of 10100×-10010=100k.

Then find the value of k.

MEDIUM
IMPORTANT

On simplification if 324×342÷382=3k.

Then find the value of k.

EASY
IMPORTANT

Simplify: 40÷41×4

MEDIUM
IMPORTANT

Simplify: -45÷44

MEDIUM
IMPORTANT

Simplify: 723÷73

MEDIUM
IMPORTANT

Simplify: 5553×52

MEDIUM
IMPORTANT

Find the value of x, if 2x+1×2=212÷23.

MEDIUM
IMPORTANT

Take any two 5-digit numbers and express them in the standard form, in the binary number system and also in the hexadecimal number system.

MEDIUM
IMPORTANT

Verify all the laws of exponents by choosing some small whole numbers for a, b, m and n.

MEDIUM
IMPORTANT

Simplify:

124÷124

EASY
IMPORTANT

Simplify: -109÷-109

EASY
IMPORTANT

Simplify: d3÷d3

MEDIUM
IMPORTANT

Complete the following table:

Problem Calculation Result
-47÷97    
b5÷c5    
7114÷784    

 

MEDIUM
IMPORTANT

Complete the following table:

Problem Calculation  Result
-85×-75    
13×23    
897×9117    

 

MEDIUM
IMPORTANT

Complete the following table. 

Problem  Calculation  Result
-37÷-33    
n9÷n5    
124÷123