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The value of `(-2/3)^4` is equal

asked Jan 18, 2022 in 8th-maths by purvi (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 18, 2022 in 8th-maths by purvi (1.8k points)

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

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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For a non-zero integer x, `x^7 -: x^12` is equal

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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The usual form for `2.03 xx

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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For any two non-zero rational numbers x and y, `x^4 -: y^4` is equal

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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For a non-zero rational number z, `(z^-2)^3` is equal

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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`(-8/2)^0 =

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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Express `27/64` and `(-27)/64` as powers of a rational

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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Simplify: -1. `(1/4)^(-2) + (1/2)^(-2) +

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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Simplify: -1. `(((-)/2)^(-2))^3 xx (1/3)^(-4) xx 3^(-1) xx

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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Find x so that `(2/9)^3 xx (2/9)^(-6) =

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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`(2^n xx 2^6)/2^(-13) =

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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The cells of a bacteria double itself every hour. How many cells will there be after 8 hours, if initially we start with 1 cell. Express the answer in

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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About 230 billion litres of water flows through a river each day. How many litres of water flows through that river in a week? How many litres of water flows through the river in an year? Write your answer in standard

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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Two machines can be hooked together. When something is sent through this hook up, the output from the first machine becomes the input for the second. (a) Which two machines hooked together do the same work a `( xx 10^2)` machine does? Is there more than one arrangement of two machines that will work? (b) Which stretching machine does the same work as two `(xx 2)` machines hooked together?

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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For the following repeater machines, how many times the base machine is applied and how much the total stretch is?

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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Find three repeater machines that will do the same work as a `(xx64)` machine. Draw them, or describe them using

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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