Logarithms with an answer that is a fraction How does log base 16 of 32 equal 1.25? If we divide 32/16=2 but then if we divide 2/16 it doesn't come out to a whole number unlike with log base 2 of 4 where 4/2=2 and 2/2=1 I am confused why its 1.25 and not simply 1? If we further try to divide with 2/16 we get .125 giving us a total of 1.125 not 1.25. However since 2 can't be divided by 16 it doesn't make sense to keep going. Obviously the answer is 1.25 since 16^(1.25)=32, I'm just not sure how we can get that number.

$\frac{20b}{{\left(4b^3\right)}^3}$

Which operation could we perform in order to find the number of milliseconds in a year??
${\displaystyle 60\cdot 60\cdot 24\cdot 7\cdot 365}$
${\displaystyle 1000\cdot 60\cdot 60\cdot 24\cdot 365}$
${\displaystyle 24\cdot 60\cdot 100\cdot 7\cdot 52}$
${\displaystyle 1000\cdot 60\cdot 24\cdot 7\cdot 52?}$

Tell about the meaning of Sxx and Sxy in simple linear regression,, especially the meaning of those formulas

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A) No
B) 0
C) Yes
D) 6

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149600000000 is equal to
A)$1.496\times <!--\; \times \; -->{10}^{11}$
B)$1.496\times <!--\; \times \; -->{10}^{10}$
C)$1.496\times <!--\; \times \; -->{10}^{12}$
D)$1.496\times <!--\; \times \; -->{10}^8$

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simplify ${\displaystyle \sqrt{125n}}$

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