Questions by uday

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The standard form for 0.000037 is `3.7 xx

asked Jan 18, 2022 in 8th-maths

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Simplify: -1. `(49 xx z^(-3))/(7^(-3) xx 10 xx z^(-5))`

asked Jan 18, 2022 in 8th-maths

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Find the value of x so that `(–2)^3 xx (–2)^(–6) =

asked Jan 18, 2022 in 8th-maths

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Write 39,00,00,000 in the standard

asked Jan 18, 2022 in 8th-maths

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Express the product of `3.2 xx 10^6` and `4.1 xx 10^(–1)` in the standard

asked Jan 18, 2022 in 8th-maths

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By what number should `((-3)/2)^(-3)` be divided so that the quotient may be `(4/27)^(-2)`

asked Jan 18, 2022 in 8th-maths

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`(125 xx x^(-3))/(5^(-3) xx 25 xx

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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A new born bear weighs 4 kg. How many kilograms might a five year old bear weigh if its weight increases by the power of 2 in 5

asked Jan 18, 2022 in 8th-maths

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An inch is approximately equal to 0.02543 metres. Write this distance in standard

asked Jan 18, 2022 in 8th-maths

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The distance between the Sun and the Earth is `1.496 xx 10^8` km and distance between the Earth and the Moon is `3.84 xx 10^8` m. During solar eclipse the Moon comes in between the Earth and the Sun. What is distance between the Moon and the Sun at that particular

asked Jan 18, 2022 in 8th-maths

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By what number should `(–8)^(–3)` be multiplied so that that the product may be equal to

asked Jan 18, 2022 in 8th-maths

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If a = – 1, b = 2, then find the value of the following: (1) `a^b + b^a` (2) `a^b – b^a` (3) `a^b xx b^2` (4) `a^b ¸

asked Jan 18, 2022 in 8th-maths

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The discount per cent is calculated on the _________ price of an

asked Jan 18, 2022 in 8th-maths

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When the interest is compounded half yearly, the number of conversion periods in a year is

asked Jan 18, 2022 in 8th-maths

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A number is increased by 20% and then it is decreased by 20%. Find the net increase or decrease per

asked Jan 18, 2022 in 8th-maths

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If marked price of an article is Rs 1,200 and the discount is 12% then the selling price of the article

asked Jan 18, 2022 in 8th-maths

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The marked price of an article when it is sold for Rs 880 after a discount of 12% is

asked Jan 18, 2022 in 8th-maths

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The loss per cent on selling 140 geometry boxes at the loss of S.P. of 10 geometry boxes is equal to

asked Jan 18, 2022 in 8th-maths

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The cost price of 10 tables is equal to the sale price of 5 tables. The profit per cent in this transaction is

asked Jan 18, 2022 in 8th-maths

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