I Did It>Chapter 4 - Exponents>Mental Maths>Q h

EASY

7th CBSE

IMPORTANT

Earn 100

Say True or False:

$\frac{- 2}{3} \times \frac{- 2}{3} \times \frac{- 2}{3} \times \frac{- 2}{3} = {(\frac{- 2}{3})}^{4}$

50% studentsanswered this correctly

Important Questions on Exponents

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q i

Say True or False:

If $x^{m} = x^{n},$ then $m = n .$

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q a

In the exponential form

p^{q}

,

p

is the base and

q

is the exponent.

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q b

In

x^{n}

,

n

is multiplied to itself

x

times.

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q c

(\frac{- 8}{729}) = {(\frac{- 2}{7})}^{3}

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q d

(8^{3}) > (3^{8})

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q e

If

4^{x} = 256

, then the value of

x

is

4

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q f

{(- 1)}^{odd number} = 1

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Mental Maths>Q g

{(\frac{3}{7})}^{5} = \frac{3^{5}}{7^{5}}