NCERT Class 8

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7. The reciprocal of (2/5)^-1 is
29
Jul
7. The reciprocal of (2/5)^-1 is 7. The reciprocal of (2/5)^-1 is July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
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6. The value of (2/5)^-2 is
29
Jul
6. The value of (2/5)^-2 is 6. The value of (2/5)^-2 is July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
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5. The value of 3^5 ÷ 3^–6 is
29
Jul
5. The value of 3^5 ÷ 3^–6 is 5. The value of 3^5 ÷ 3^–6 is July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
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4. The value of 1/4^−2 is
29
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 ,
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3. 3^–2 can be written as
29
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 ,
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2. For a fixed base, if the exponent decreases by 1, the number becomes
29
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 ,
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Tags: 2. For a fixed base , if the exponent decreases by 1 , the number becomes ,
1. In 2n, n is known as
29
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 ,
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Example 9 : Find x so that (–5)^x+1 × (–5)^5 = (–5)^7
29
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 ,
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Tags: Example 9 : Find x so that (–5)^x+1 × (–5)^5 = (–5)^7 ,
Example 8 : Simplify (-2)^3 x (-2)^7 / 3 x 4^6
29
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 ,
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Tags: Example 8 : Simplify (-2)^3 x (-2)^7 / 3 x 4^6 ,
Example 7 : (–10) × (–10) × (–10) × (–10) = 10^–4
29
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 ,
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Tags: Example 7 : (–10) × (–10) × (–10) × (–10) = 10^–4 ,