Questions by vaibhav

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `8a^3 –

asked Jan 17, 2022 in 8th-maths

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `51x^3y^2z -:

asked Jan 17, 2022 in 8th-maths

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Factorise the expressions and divide them as directed: `(x^3 + x^2 – 132x) -: x (x –

asked Jan 17, 2022 in 8th-maths

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The area of a rectangle is `x2 + 7x + 12`. If its breadth is (x + 3), then find its

asked Jan 17, 2022 in 8th-maths

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Subtract `b (b^2 + b – 7) + 5` from `3b^2 – 8` and find the value of expression obtained for `b = –

asked Jan 17, 2022 in 8th-maths

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Very small numbers can be expressed in standard form using positive

asked Jan 17, 2022 in 8th-maths

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`(–10) xx (–10) xx (–10) xx (–10) =

asked Jan 17, 2022 in 8th-maths

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In `2^n`, n is known

asked Jan 17, 2022 in 8th-maths

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The value of `3^5 -: 3^(–6)`

asked Jan 17, 2022 in 8th-maths

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The multiplicative inverse of `10^(–100)`

asked Jan 17, 2022 in 8th-maths

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The value of `(-2/3)^4` is equal

asked Jan 17, 2022 in 8th-maths

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If x be any integer different from zero and m, n be any integers, then `(x^m)^n` is equal

asked Jan 17, 2022 in 8th-maths

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The standard form for 234000000

asked Jan 17, 2022 in 8th-maths

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Which of the following is not the reciprocal of `(2/3)^4`

asked Jan 17, 2022 in 8th-maths

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Very large numbers can be expressed in standard form by using _________

asked Jan 17, 2022 in 8th-maths

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

asked Jan 17, 2022 in 8th-maths

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If `36 = 6 xx 6 = 62`, then `1/36` expressed as a power with the base 6 is

asked Jan 17, 2022 in 8th-maths

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`3^5 -: 3^–6` can be simplified as

asked Jan 17, 2022 in 8th-maths

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`(–4)^(–4) xx (4)^(–1) =

asked Jan 17, 2022 in 8th-maths

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The expression for `4^(–3)` as a power with the base 2 is

asked Jan 17, 2022 in 8th-maths

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