Home
Class 7
MATHS
(frac(-2)(5))^(7) div (frac(-2)(5))^(5)=...

`(frac(-2)(5))^(7) div (frac(-2)(5))^(5)=` ?

A

(a) `frac(4)(25)`

B

(b) `frac(-4)(25)`

C

(c) `(frac(-2)(5))^(12)`

D

(d) `frac(25)(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • EXPONENTS

    RS AGGARWAL|Exercise TEST PAPER-5|14 Videos

  • EXPONENTS

    RS AGGARWAL|Exercise EXERCISE 5B|4 Videos

  • DECIMALS

    RS AGGARWAL|Exercise TEST PAPER-3(D)|5 Videos

  • FRACTIONS

    RS AGGARWAL|Exercise TEST PAPER-2|26 Videos

Similar Questions

Explore conceptually related problems

(frac(-1)(5))^(3) div (frac(-1)(5))^(8)= ?

(frac(-2)(3))^(10) div (frac(-2)(3))^(8)= ?

(frac(2)(3))^(-5)= ?

Simplify: ( i ) [{(frac(-1)(4))^(2)}^(-2)]^(-1) ( ii ) {(frac(-2)(3))^(2)}^(3) ( iii ) (frac(-3)(2))^(2) div (frac(-3)(2))^(6) ( iv ) (frac(-2)(3))^(7) div (frac(-2)(3))^(4)

(frac(-5)(3))^(-1)= ?

Express each of the following as a rational number: ( i ) 5^(-3) ( ii ) (-2)^(-5) ( iii ) (frac(1)(4))^(-4) ( iv ) (frac(-3)(4))^(-3) ( v ) (-3)^(-1) xx (frac(1)(3))^(-1) ( vi ) (frac(5)(7))^(-1) xx (frac(7)(4))^(-1) ( vii ) (5^(-1)-7^(-1))^(-1) ( viii ) {(frac(4)(3))^(-1)-(frac(1)(4))^(-1)}^(-1) ( ix ) {(frac(3)(2))^(-1) div (frac(-2)(5))^(-1)} ( x ) (frac(23)(25))^(@)

{(frac(1)(3))^(-3)-(frac(1)(2))^(-3)} div (frac(1)(4))^(-3)= ?

Simplify and express the result in exponential form: ( i ) (frac(3)(4))^(7) xx (frac(3)(4))^(5) ( ii ) (frac(-2)(5))^(11) xx (frac(-2)(5))^(4)

Evaluate: ( i ) (frac(3)(4))^(2) ( ii ) (frac(-2)(3))^(3) ( iii ) (frac(-4)(5))^(5)

Simplify each of the following and express each as a rational number: ( i ) (frac(2)(3))^(4) xx (frac(2)(3))^(2) ( ii ) (frac(-3)(4))^(3) xx (frac(-3)(4))^(2) ( iii ) (frac(5)(7))^(5) xx (frac(5)(7))^(-3) ( iv ) (frac(-3)(5))^(-3) xx (frac(-3)(5))^(2)