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Express `4^(– 3)` as a power with the base

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

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Simplify and express the result in power notation with positive exponent. `(– 4)^5 ÷ (–

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

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Express the following numbers in standard form.

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

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Express the number appearing in the following statements in standard form. Charge of an electron is 0.000,000,000,000,000,000,16

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

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Express the number appearing in the following statements in standard form. Thickness of a thick paper is 0.07

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

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Following are the car parking charges near a railway station upto 4 hours Rs 60 8 hours Rs 100 12 hours Rs 140 24 hours Rs 180Check if the parking charges are in direct proportion to the parking

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

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A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the following table, find the parts of base that need to be added.

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

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A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five

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

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A batch of bottles were packed in 25 boxes with 12 bottles in each box. If the same batch is packed using 20 bottles in each box, how many boxes would be

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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `p^5 –

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

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Factorise the expressions and divide them as directed: `(9x^2 – 4) -: (3x +

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

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The sum of (x + 5) observations is `x^4 – 625`. Find the mean of the

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

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If p + q = 12 and pq = 22, then find `p^2 +

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

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If `x-1/x=7` then find the value of

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

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Find the length of the side of the given square if area of the square is 625 square units and then find the value of x.

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

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`(–10) xx (–10) xx (–10) xx (–10) =

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

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Find x so that `(–5)^(x+1) xx (–5)^5 =

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

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By multiplying `(10)^5` by `(10)^(–10)` we get

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

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`24.58 = 2 xx 10 + 4 xx 1 + 5 xx 10 + 8 xx

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

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The standard form for 203000 is `2.03 xx

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

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