I Did It>Chapter 4 - Exponents>HOTS>Q 3

EASY

7th CBSE

IMPORTANT

Earn 100

Radius of planet $A$ is about $21800 km$ . Radius of planet $B$ is $10^{7}$ times the radius of planet $A$ .Find the radius of planet $B$ and express the answer in standard form.

Important Questions on Exponents

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

In ${(15)}^{2}$ , the base is $2$ .

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

${(\frac{- 1}{3})}^{3} = \frac{{(- 1)}^{3}}{3}$ .

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

${(20 \times 20)}^{20} = 20^{20} \times 20^{20}$ .

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

${(20 + 20)}^{20} = 20^{20} + 20^{20}$ .

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

${(\frac{- 3}{4})}^{3} \times {(\frac{- 3}{4})}^{4} = {(\frac{- 3}{4})}^{7}$ .

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

${(\frac{- 7}{9})}^{3 \times 5 - 8 - 7} = 9^{0}$ .

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

${(\frac{5}{10})}^{3} \times {(\frac{3}{10})}^{3} = {(\frac{15}{100})}^{3}$ .

EASY

7th CBSE

IMPORTANT

I Did It>Chapter 4 - Exponents>Worksheet>Q 1

${(\frac{- 4}{9})}^{2} = \frac{- 16}{81}$ .