ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Value Based Questions

EASY

8th ICSE

IMPORTANT

Earn 100

Anaemia causes due to deficiency of Red Blood cells. The size of a red blood cell is $0.000000007 mm$ . Express it in standard form. Rahul is suffering from anaemia, his doctor advised him to take healthy food regularly and avoid junk food. Why should we eat healthy food? What values are being promoted?

Important Questions on Exponents and Powers

EASY

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Higher Order Thinking Skills (HOTS)>Q 1

Find the multiplicative inverse of

(5^{0} + 3^{0}) (5^{0} - 3^{0})

.

HARD

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Higher Order Thinking Skills (HOTS)>Q 2

Evaluate

{(\frac{x^{p}}{x^{q}})}^{p + q} \times {(\frac{x^{q}}{x^{r}})}^{q + r} \times {(\frac{x^{r}}{x^{p}})}^{r - p}

HARD

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Higher Order Thinking Skills (HOTS)>Q 3

Evaluate

\frac{x^{p}}{x^{p} + x^{q}} + \frac{1}{x^{p - q} + 1}

.

MEDIUM

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Check Your Progress>Q 1

Evaluate: ${(\frac{25}{4})}^{- 1 / 2}$

EASY

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Check Your Progress>Q 1

Evaluate: ${(\frac{- 3}{7})}^{- 2}$

MEDIUM

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Check Your Progress>Q 2

Simplify: $[{(\frac{1}{2})}^{- 3} + {(\frac{1}{3})}^{- 3} + {(\frac{1}{4})}^{- 3}] \div {(3)}^{2}$

MEDIUM

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Check Your Progress>Q 2

Simplify: $[3^{3} - {(\frac{1}{2})}^{- 3} \times \frac{1}{19}]$

MEDIUM

8th ICSE

IMPORTANT

ICSE Understanding Mathematics Class 8>Chapter 2 - Exponents and Powers>Check Your Progress>Q 2

Simplify: $[2^{- 1} + 3 ° + 5^{1} + 7^{2} + 9^{3}] \div {(\frac{2}{3})}^{- 1}$