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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 nikhil (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 Simran (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 nikhil (1.8k 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 Simran (1.8k points)

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

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

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

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

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

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

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

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k 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 krutika (1.7k 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 Simran (1.8k 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 yogita (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 sumit (1.6k 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 nikhil (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 yogita (1.8k points)

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The marked price of an article is Rs 500. The shopkeeper gives a discount of 5% and still makes a profit of 25%. Find the cost price of the

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

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In 2007 – 08, the number of students appeared for Class X examination was 1,05,332 and in 2008–09, the number was 1,16,054. If 88,151 students pass the examination in 2007–08 and 103804 students in 2008–09. What is the increase or decrease in pass % in Class X

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

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A watch worth Rs 5400 is offered for sale at Rs 4,500. What per cent discount is offered during the

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

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In the year 2001, the number of malaria patients admitted in the hospitals of a state was 4,375. Every year this number decreases by 8%. Find the number of patients in

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

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Jyotsana bought a product for Rs 3,155 including 4.5% sales tax. Find the price before tax was

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

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An average urban Indian uses about 150 litres of water every day. Activity Litres per person per day. Drinking 3 Cooking 4 Bathing 20 Sanitation 40 Washing clothes 40 Washing utensils 20 Gardening 23 _______________ Total 150 ________________ (a) What per cent of water is used for bathing and sanitation together per day? (b) How much less per cent of water is used for cooking in comparison to that used for bathing? (c) What per cent of water is used for drinking, cooking and gardening

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

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