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The value of `1/4^-2`

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

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The expression for `8^(–2)` as a power with the base 2 is

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

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Very large numbers can be expressed in standard form by using _________

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

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The usual form of `2.39461 xx 10^6` is

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

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`3^5 -: 3^–6` can be simplified as

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

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The value of `3 xx 10^(-7)` is equal to

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

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The usual form for `2.3 xx 10^(-10)` is

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

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On multiplying _________ by `2^(–5)` we get

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

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`329.25 = 3 xx 10^2 + 2 xx 10^1 + 9 xx 10^0 + 2 xx 10^–1 + 5 xx

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

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`5^0 =

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

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Fill in the blanks

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

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Stretching Machine Suppose you have a stretching machine which could stretch almost anything. For example, if you put a 5 metre stick into a `(xx 4)` stretching machine (as shown below), you get a 20 metre stick. Now if you put 10 cm carrot into a `(xx 4)` machine, how long will it be when it comes out?

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

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Simplify: `((3^-2)^2 xx (5^2)-3 xx (t^(-3))^2)/((3^(-2))^5 xx (5^3)^(-2) xx

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

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If `7/3%` of a number is 42, then the number

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

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Amna purchased a toy for Rs 660 including sales tax. If the rate of sales tax is 10%, then the selling price of the toy is

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

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Arnav buys a book costing Rs 600. If the rate of sales tax is 7%, then the total amount payable by him is Rs

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

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40% of [100 – 20% of 300] is equal

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

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Four times a number is a _________ % increase in the

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

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Discount is a reduction given on cost price of an

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

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A man purchased a bicycle for Rs 1,040 and sold it for Rs 800. His gain per cent is

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

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