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If x be any non-zero integer, then `x^–1` is equal

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

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The multiplicative inverse of `10^10` is

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

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`5^5 xx 5^(–5)` =

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

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

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

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Find the value `[4^(–1) +3^(–1) +

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

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By multiplying `(5/3)^4` by ________ we get

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

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To add the numbers given in standard form, we first convert them into numbers with __

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

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`(–6)^0 =

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

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`(–7)^(–4) xx (–7)^2 =

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

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The expression for `4^(–3)` as a power with the base 2 is

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

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The value of `5^(–2)` is equal to

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

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`a^m xx b^m =

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

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Find the value of x so that `(5/3)^(-3) xx (5/3)^(-14) =

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

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

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

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Pluto is 59,1,30,00, 000 m from the sun. Express this in the standard

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

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The cells of a bacteria double in every 30 minutes. A scientist begins with a single cell. How many cells will be there after (a) 12 hours (b) 24

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

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There are 864,00 seconds in a day. How many days long is a second? Express your answer in scientific

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

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The given table shows the crop production of a State in the year 2008 and 2009. Observe the table given below and answer the given questions. Crop 2008 Harvest (Hectare) Increase/Decrease (Hectare) in 2009 Bajra `1.4 × 10^3` – 100 Jowar `1.7 × 10^6` -440,000 Rice `3.7 × 10^3` – 100 Wheat `5.1 × 10^5` + 190,000 (a) For which crop(s) did the production decrease? (b) Write the production of all the crops in 2009 in their standard form. (c) Assuming the same

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

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Repeater Machine Similarly, repeater machine is a hypothetical machine which automatically enlarges items several times. For example, sending a piece of wire through a `(xx 2^4)` machine is the same as putting it through a (xx 2) machine four times. So, if you send a 3 cm piece of wire through a `(xx 2^4)` machine, its length becomes `3 xx 2 xx 2 xx 2 xx 2 = 48` cm. It can also be written that a base (2) machine is being applied 4 times. What will be the new length of a 4 cm strip inserted in

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

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

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