Help with math (done)

[-TesseracT-]

1/5 = 0.2

0.2 ^-2 = 25

 

Remember that is exponent, not just multiplication

I was confused when the book gave an example of how to calculate (2/3)^-1

[GarnetDevil]

I was confused when the book gave an example of how to calculate (2/3)^-1

If you see a fraction with the ^-1 just swap the position of the two numbers, if you see a number with ^-1 just take 1 divide with that number

[Nineshadow]

If you see a fraction with the ^-1 just swap the position of the two numbers, if you see a number with ^-1 just take 1 divide with that number

a^-n = (1/a)ⁿ    ∀  a ∈  R

[GarnetDevil]

a^-n = (1/a)ⁿ    ∀  a ∈  R

a can be anything from negative infinite to positive infinite EXCEPT number 0

[-TesseracT-]

Very nice guys, thanks for your help. I have to practice a little bit more on solving equations in formulas but then I'm good to go!