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A school has 8 periods a day each of 45 minutes duration. How long would each period be, if the school has 9 periods a day, assuming the number of school hours to be the
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Jan 17, 2022
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8th-maths
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marks1
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Multiplicative inverse of `2^7`
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The human body has about 100 billion cells. This number can be written in exponential form
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marks1
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`(-4)^4 xx(5/4)^4`
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`(2^-3)^2 xx (3^-2)^3`
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The distance between earth and sun is 150 million kilometres which can be written in exponential form as
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marks1
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Very small numbers can be expressed in standard form using positive
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`(–10) xx (–10) xx (–10) xx (–10) =
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Simplify
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marks1
chapter8
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Find x so that `(–5)^(x+1) xx (–5)^5 =
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Jan 17, 2022
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In `2^n`, n is known
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marks1
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For a fixed base, if the exponent decreases by 1, the number
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Jan 17, 2022
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marks1
chapter8
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`3^(–2)` can be written
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Jan 17, 2022
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The value of `1/4^-2`
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The value of `3^5 -: 3^(–6)`
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Jan 17, 2022
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The value of `(2/5)^-2`
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The reciprocal of `(2/5)^-1`
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Jan 17, 2022
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marks1
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The multiplicative inverse of `10^(–100)`
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Jan 17, 2022
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marks1
chapter8
#mcq
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The value of `(–2)^(2xx3–1)`
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Jan 17, 2022
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The value of `(-2/3)^4` is equal
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