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The multiplicative inverse of `10^10` is

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

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Find the value `[4^(–1) +3^(–1) +

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

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The standard form of 12340000 is

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

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The value for `(–7)^6 -: 7^6` is

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

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

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

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`(16 xx 10^2 xx 64)/(2^4 xx

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

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Astronomy The table shows the mass of the planets, the sun and the moon in our solar system. (a) Write the mass of each planet and the Moon in scientific

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

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The volume of the Earth is approximately `7.67 xx 10^(–7)` times the volume of the Sun. Express this figure in usual

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

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An electron’s mass is approximately `9.1093826 xx 10^(–31)` kilograms. What is this mass in

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

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In a repeater machine with 0 as an exponent, the base machine is applied 0 times. (a) What do these machines do to a piece of chalk? (b) What do you think the value of 60

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

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Shrinking Machine In a shrinking machine, a piece of stick is compressed to reduce its length. If 9 cm long sandwich is put into the shrinking machine below, how many cm long will it be when it emerges?

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

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What happens when 1 cm worms are sent through these hook-ups?

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

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Sanchay put a 1cm stick of gum through a `(1 xx 3^(–2))` machine. How long was the stick when it came

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

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Neha needs to stretch some sticks to `25^2` times their original lengths, but her `(xx2^5)` machine is broken. Find a hook-up of two repeater machines that will do the same work as a `(xx25^2)` machine. To get started, think about the hookup you could use to replace the `(xx2^5)` machine.

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

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Supply the missing information for each diagram. (a) (b) (c) (d)

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

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The left column of the chart lists the lengths of input pieces of ribbon. Stretching machines are listed across the top. The other entries are the outputs for sending the input ribbon from that row through the machine from that column. Copy and complete the chart.

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

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

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

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

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

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Vishakha offers a discount of 20% on all the items at her shop and still makes a profit of 12%. What is the cost price of an article marked at Rs

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

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Suppose for the principal P, rate R% and time T, the simple interest is S and compound interest is C. Consider the

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

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