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If `a^2 + b^2 = 74` and ab = 35, then find a +

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Factorise `p^4 + q^4 +

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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Multiplicative inverse of `2^7`

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The human body has about 100 billion cells. This number can be written in exponential form

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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`(2^-3)^2 xx (3^-2)^3`

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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Simplify

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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The multiplicative inverse of `10^(–100)`

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The value of `(–2)^(2xx3–1)`

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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If x be any integer different from zero and m be any positive integer, then `x^–m` is equal

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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`((-7)/5)^(-1)` is equal

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`(–9)^3 -: (–9)^8` is equal

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For a non-zero integer x, `(x^4)^(–3)` is equal

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`(1/10)^0` is equal

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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`5^5 xx 5^(–5)` =

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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The value of `[2^(–1) xx 3^(–1)]^(–1)` is

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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The expontential form for `(–2)^4 xx (5/2)^4` is

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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By what number should `(–15)^(–1)` be divided so that quotient may be equal to `(–15)^(–1)`

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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`6^n/6^(-2) =

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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This table shows the mass of one atom for five chemical elements. Use it to answer the question given. Element Mass of atom (kg) TitaniumLeadSilverLithiumHydrogen `7.95 × 10^(–26)` `3.44 × 10^(–25) ``1.79 × 10^(–25)``1.15 × 10^(–26)``1.674 × 10^(–27) `

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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At the end of the 20th century, the world population was approximately `6.1 xx 10^9` people. Express this population in usual form. How would you say this number in

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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