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

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

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Simplify: -1. `(1/4)^(-2) + (1/2)^(-2) +

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

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Simplify: -1. `(((-)/2)^(-2))^3 xx (1/3)^(-4) xx 3^(-1) xx

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

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Find the value of x so that `(–2)^3 xx (–2)^(–6) =

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

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

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

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Express the product of `3.2 xx 10^6` and `4.1 xx 10^(–1)` in the standard

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

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A new born bear weighs 4 kg. How many kilograms might a five year old bear weigh if its weight increases by the power of 2 in 5

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

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Predicting the ones digit, copy and complete this table and answer the questions that follow. (a) Describe patterns you see in the ones digits of the

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

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This table shows the mass of one atom for five chemical elements. Use it to answer the question given. Element Mass of atom (kg) TitaniumLeadSilverLithiumHydrogen `7.95 × 10^(–26)` `3.44 × 10^(–25) ``1.79 × 10^(–25)``1.15 × 10^(–26)``1.674 × 10^(–27) `

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

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

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

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The paper clip below has the indicated length. What is the length in standard form.

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

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In a repeater machine with 0 as an exponent, the base machine is applied 0 times. (a) What do these machines do to a piece of chalk? (b) What do you think the value of 60

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

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Find a single machine that will do the same job as the given hook-up. (a) a`(xx 2^3)` machine followed by `(xx 2^(–2))` machine. (b) a`(xx 2^4)` machine followed by `(xx(1/2)^2)` machine (c) a`(xx 5^99)` machine followed by a `(5^(–100))`

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

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The left column of the chart lists the lengths of input pieces of ribbon. Stretching machines are listed across the top. The other entries are the outputs for sending the input ribbon from that row through the machine from that column. Copy and complete the chart.

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

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Simplify:

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

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

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

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Simplify: `((3^-2)^2 xx (5^2)-3 xx (t^(-3))^2)/((3^(-2))^5 xx (5^3)^(-2) xx

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

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Amna purchased a toy for Rs 660 including sales tax. If the rate of sales tax is 10%, then the selling price of the toy is

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

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Overhead charges, if any, are sometimes included in the cost

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

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Suppose a certain sum doubles in 2 years at r % rate of simple interest per annum or at R% rate of interest per annum compounded annually. We

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

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