Chapter 12 – Exponents and Powers
4. The value of 1/4^−2 is
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Jul
4. The value of 1/4^−2 is 4. The value of 1/4^−2 is July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
3. 3^–2 can be written as
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Jul
3. 3^–2 can be written as 3. 3^–2 can be written as July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
2. For a fixed base, if the exponent decreases by 1, the number becomes
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Jul
2. For a fixed base, if the exponent decreases by 1, the number becomes 2. For a fixed base if the exponent decreases by 1 the number becomes July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
1. In 2n, n is known as
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Jul
1. In 2n, n is known as 1. In 2n n is known as July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
Example 9 : Find x so that (–5)^x+1 × (–5)^5 = (–5)^7
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Jul
Example 9 : Find x so that (–5)^x+1 × (–5)^5 = (–5)^7 Example 9 : Find x so that (–5)^x+1 × (–5)^5 = (–5)^7 July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
Example 8 : Simplify (-2)^3 x (-2)^7 / 3 x 4^6
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Jul
Example 8 : Simplify (-2)^3 x (-2)^7 / 3 x 4^6 Example 8 : Simplify (-2)^3 x (-2)^7 / 3 x 4^6 July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
Example 7 : (–10) × (–10) × (–10) × (–10) = 10^–4
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Jul
Example 7 : (–10) × (–10) × (–10) × (–10) = 10^–4 Example 7 : (–10) × (–10) × (–10) × (–10) = 10^–4 July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
Example 6 : Very small numbers can be expressed in standard form using positive exponents.
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Jul
Example 6 : Very small numbers can be expressed in standard form using positive exponents. Example 6 : Very small numbers can be expressed in standard form using positive exponents. July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
Example 5 : The distance between earth and sun is 150 million kilometres which can be written in exponential form as _______.
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Jul
Example 5 : The distance between earth and sun is 150 million kilometres which can be written in exponential form as _______. Example 5 : The distance between earth and sun is 150 million kilometres which can be written in exponential form as _______. July 29, 2021 Category: Chapter 12 - Exponents and Powers , [...]
Example 4 : (2^3)^2 x (3^–2)^3 = _____
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Jul
Example 4 : (2^3)^2 x (3^–2)^3 = _____ Example 4 : (2^3)^2 x (3^–2)^3 = _____ July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,