Recent questions tagged marks2

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

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

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Express `(1.5 xx 10^6)/(2.5 xx 10^(-6))` in the standard

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

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Some migratory birds travel as much as 15,000 km to escape the extreme climatic conditions at home. Write the distance in metres using scientific

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

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Pluto is 59,1,30,00, 000 m from the sun. Express this in the standard

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

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Special balances can weigh something as 0.00000001 gram. Express this number in the standard

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

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A sugar factory has annual sales of 3 billion 720 million kilograms of sugar. Express this number in the standard

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

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The number of red blood cells per cubic millimetre of blood is approximately 5.5 million. If the average body contains 5 litres of blood, what is the total number of red cells in the body? Write the standard form. (1 litre = 1,00,000

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

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Express each of the following in standard form: -1. (a) The mass of a proton in gram is `1673/1000000000000000000000000000` (b) A Helium atom has a diameter of 0.000000022

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

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

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

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

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

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

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

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

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

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

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

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

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

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If `(5^m xx 5^3 xx 5^(-2))/5^-5 = 5^12`, find

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

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In a factory, women are 35% of all the workers, the rest of the workers being men. The number of men exceeds that of women by 252. Find the total number of workers in the

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

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Three bags contain 64.2 kg of sugar. The second bag contains `4/5` of the contents of the first and the third contains `42 1/2%` of what there is in the second bag. How much sugar is there in each

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

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Find the S.P. if (a) M.P. = Rs 5450 and discount = 5% (b) M.P. = Rs 1300 and discount =

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

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Find the M.P. if (a) S.P. = Rs 495 and discount = 1% (b) S.P. = Rs 9,250 and discount = `7

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

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Find discount in per cent when (a) M.P. = Rs 625 and S.P. = Rs 562.50 (b) M.P. = Rs 900 and S.P. = Rs

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

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