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The multiplicative inverse of `(3/2)^2` is not equal to

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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`10^(–2) =

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`5^0 =

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Find the product of the cube of (–2) and the square of

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

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Find the value of `x^(–3)` if `x = (100)^(1–4) -:

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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If `53^(x–1) -: 25 = 125`, find the value of

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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Write 0.000005678 in the standard

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Some migratory birds travel as much as 15,000 km to escape the extreme climatic conditions at home. Write the distance in metres using scientific

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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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 18, 2022 in 8th-maths by purvi (1.8k points)

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An inch is approximately equal to 0.02543 metres. Write this distance in standard

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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Stretching Machine Suppose you have a stretching machine which could stretch almost anything. For example, if you put a 5 metre stick into a `(xx 4)` stretching machine (as shown below), you get a 20 metre stick. Now if you put 10 cm carrot into a `(xx 4)` machine, how long will it be when it comes out?

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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What will the following machine do to a 2 cm long piece of chalk?

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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For each hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it (a) (b) (c) (d)(e)

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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The diameter of the Sun is `1.4 xx 10^9` m and the diameter of the Earth is `1.2756 xx 10^7` m. Compare their diameters by

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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By what number should `(–15)^(–1)` be divided so that the quotient may be equal to

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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If a = – 1, b = 2, then find the value of the following: (1) `a^b + b^a` (2) `a^b – b^a` (3) `a^b xx b^2` (4) `a^b ¸

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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Simplify: `(4/13)^4 xx (13/7)^2 xx

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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Suppose for the principal P, rate R% and time T, the simple interest is S and compound interest is C. Consider the

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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If 90% of x is 315 km, then the value of x

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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