+0  
 
+1
52
3
avatar+717 

5^ -3 divided by 10^ -2

SmartMathMan  Nov 13, 2018
 #1
avatar+3129 
+2

it's almost identical to the last one

 

\(\dfrac{5^{-3}}{10^{-2}} = 5^{-3}\cdot 10^2 = \\ 5^{-3}\cdot 5^2\cdot 2^2 = 5^{-1}\cdot 2^2 = \\ \dfrac{4}{5}\)

Rom  Nov 13, 2018
edited by Rom  Nov 13, 2018
 #2
avatar+717 
0

thx soo much

SmartMathMan  Nov 13, 2018
 #3
avatar+14406 
+1

5^-3  /  10^-2   =     10^2 / 5^3 = 100/125 = 4/5

ElectricPavlov  Nov 13, 2018

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