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A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5

asked Jan 17, 2022 in 8th-maths by sumit (1.6k 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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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `–121p^3q^3r^3 -:

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

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Factorise the expressions and divide them as directed: `(x^4 – 16) -: x^3 + 2x^2 + 4x +

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

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The height of a triangle is `x^4 + y^4` and its base is 14xy. Find the area of the

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

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Verify the following: `(7p – 13q)^2 + 364pq = (7p +

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

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The value of `1/4^-2`

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

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If x be any non-zero integer, then `x^–1` is equal

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

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The usual form of `3.41 xx 10^6` is

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

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By multiplying `(5/3)^4` by ________ we get

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

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`(–4)^(–4) xx (4)^(–1) =

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

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`(–6)^0 =

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

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`(–7)^(–4) xx (–7)^2 =

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

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The value of `5^(–2)` is equal to

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

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Simplify: -1. `(2^5 -: 28) xx

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

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Find the value of x so that `(2^(–1) + 4^(–1) + 6^(–1) + 8^(–1))x =

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

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A half-life is the amount of time that it takes for a radioactive substance to decay to one half of its original quantity. Suppose radioactive decay causes 300 grams of a substance to decrease to `300 xx 2^(–3)` grams after 3 half-lives. Evaluate `300 xx 2^(–3)` to determine how many grams of the substance are left. Explain why the expression `300 xx 2^(–n)` can be used to find the amount of the substance that remains after n

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

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

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

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