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Express each of the following in exponential form: (1) `(-1296)/14641` (2) `(-125/343)` (3) `400/3969` (4)

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

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- Simplify 3x (4x – 5) + 3 and find its values for (i) x = 3 (ii) x

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

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Express the following numbers in standard form. 0.0000000000085

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

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Perform the following divisions: `(3pqr – 6p^2q^2r^2) -:

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

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A store is having a 25% discount sale. Sheela has a Rs 50 gift voucher and wants to use it to buy a board game marked for Rs 320. She is not sure how to calculate the concession she will get. The sales clerk has suggested two ways to calculate the amount payable. - Method 1: Subtract Rs 50 from the price and take 25% off the resulting price. - Method 2: Take 25% off the original price and then subtract Rs 50. a. Do you think both the methods will give the same result? If not, predict which method

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

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Zero (0)

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

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Verify – (– x) = x for (i) x= `3/5` (ii) x= `(-7)/9 ` (iii) x=

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

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Simplify

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

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If 16 shirts of equal size can be made out of 24m of cloth, how much cloth is needed for making one

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

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Four friends had a competition to see how far could they hop on one foot. The table given shows the distance covered by each. Name Distance covered (km) Seema `1/25` Nancy `1/32` Megha `1/40` Soni `1/20`

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

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In a throw of a dice, the probability of getting the number 7

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

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In the experiment of tossing a coin one time, the outcome is either__________ or

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

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The total number of people surveyed is

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

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When the number of observations is large, the observations are usually organised in groups of equal width called

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

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In a pie chart two central angles can be of

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

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A dice is rolled once. What is the probability that the number on top will be A factor of

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

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Classify the following statements under appropriate headings. Getting 7 when a die is

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

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Classify the following statements under appropriate headings. Winning a racing competition by you. Certain to happen Impossible to happen May or may not happen

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

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Look at the histogram below and answer the questions that follow. How many students have height more than or equal to 135 cm but less than 150

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

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Look at the histogram below and answer the questions that follow. Which class interval has the least number of

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

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