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54 = 27 x 2. Third root of 27 = 3 because 3 x 3 x 3 =2. So you get 3root2
<span>b.9 x 10^4 is 18 times larger than 5 x 10^3
This is a simple matter of floating point division. So let's do that.
9 x 10^4 / 5 x 10^3
First, divide the significands. Giving
9 / 5 = 1.8
And subtract the exponents
4 - 3 = 1
So the result of the division is
1.8 x 10^1 which is 18. So 9x10^4 is 18 times larger than 5x10^3. Now looking at the available options, it's obvious that only "b" is correct.</span>
The answer would be =<span><span><span>13</span>h</span>−<span>8
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