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Evaluate. `(– 4)^(– 2)`

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

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Simplify and express the result in power notation with positive exponent.

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

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Express the following numbers in usual form. `7.54 xx 10^(– 4)`

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

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Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him bycompleting the following table. sss 8 → 45°, 10 → 36°, 12 → 30° sss How many spokes would

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

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Perform the following divisions: `(ax^3 – bx^2 + cx) -: (–

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

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In a Television game show, the prize money of Rs 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the numberof

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

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(i) The time taken by a train to cover a fixed distance and the speed of the train. (ii) The distance travelled by CNG bus and the amount of CNG used. (iii) The number of people working and the time to complete a given work. (iv) Income tax and the income. (v) Distance travelled by an auto-rickshaw and time

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

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A packet of sweets was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child

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

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Which of the following statements is always

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

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`(213xx657)^-1 = 213^(–1)xx

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

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(-5)/7 is ________ than

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

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The two rational numbers lying between –2 and –5 with denominator as 1 are _________ and

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

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If `x/y` is a rational number, then y is always a whole

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

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`(-7)/2` lies between –3 and

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

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Simplify each of the following by using suitable property. Also name the property.

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

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Tell which property allows you to compute `1/5xx[5/6xx7/9] as

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

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Simplify

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

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Find the sum of additive inverse and multiplicative inverse of

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

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On throwing a dice, the probability of occurrence of an odd number is 1/2

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

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In a pie chart two or more central angles can be

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

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