Questions by nikhil

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The product of two expressions is `x^5 + x^3 + x`. If one of them is `x^2 + x+ 1`, find the

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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Match the expressions of column I with that of column II: Column I Column II (1) `(21x + 13y)^2` (a) `441x^2 – 169y^2` (2) `(21x – 13y)^2` (b) `441x^2 + 169y^2 + 546xy` (3) `(21x – 13y) (21x + 13y)` (c) `441x^2 + 169y^2 – 546xy` (d) `441x^2 – 169y^2 + 546xy`

asked Jan 18, 2022 in 8th-maths

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Very small numbers can be expressed in standard form using positive

asked Jan 18, 2022 in 8th-maths

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The multiplicative inverse of `(-5/9)^-99`

asked Jan 18, 2022 in 8th-maths

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For any two non-zero rational numbers x and y, `x^4 -: y^4` is equal

asked Jan 18, 2022 in 8th-maths

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The value of `(1/2^3)^2` is equal to

asked Jan 18, 2022 in 8th-maths

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The expression for `8^(–2)` as a power with the base 2 is

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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`[(2/13)^(-1) -: (2/13)^3]^3 xx (2/13)^(-13)` =

asked Jan 18, 2022 in 8th-maths

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`[2^(–1) + 3^(–1) + 4^(–1)]^0` =

asked Jan 18, 2022 in 8th-maths

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The value of `[1^(–2) + 2^(–2) + 3^(–2)] xx 6^2` is ________

asked Jan 18, 2022 in 8th-maths

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asked Jan 18, 2022 in 8th-maths

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Solve the following:(i) `100^(–10)` (ii) `2^(–2) xx 2^(–3)` (iii) `(1/2)^(-2) -:

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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Divide 293 by 10,00,000 and express the result in standard

asked Jan 18, 2022 in 8th-maths

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Write 0.000005678 in the standard

asked Jan 18, 2022 in 8th-maths

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asked Jan 18, 2022 in 8th-maths

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Find three repeater machines that will do the same work as a `(xx64)` machine. Draw them, or describe them using

asked Jan 18, 2022 in 8th-maths

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Ajay had a 1cm piece of gum. He put it through repeater machine given below and it came out `1/100,000 cm` long. What is the missing value?

asked Jan 18, 2022 in 8th-maths

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