SmarterEd

Aussie Maths & Science Teachers: Save your time with SmarterEd

  • Login
  • Get Help
  • About

Indices, SMB-009

Find `x` given  `100^(x-2) = 1000^x`.  (2 marks)

Show Answers Only

`-4`

Show Worked Solution
`100^(x-2)` `= 1000^x`
`(10^2)^(x-2)` `= (10^3)^x`
`10^(2x-4)` `= (10)^(3x)`
`2x-4` `=3x`
`:. x` `= -4`

Filed Under: Indices Tagged With: num-title-ct-pathb, smc-4228-15-Indices unknown

Copyright © 2014–2025 SmarterEd.com.au · Log in