Question

Please help before 2pm :/ THANKSSSS

Answer 1

C =
`$ (1)/(10) $`

D =
`$ (1)/(10^2) $`

Explanation:

78.09 = 7
`$ * A + 8 * B + 0 * C + 9 * D $`

78.09 = 7
`$ * 10^1 + 8 * 10^0 + 0 * (1)/(10) + 9 * (1)/(10^2)`

⇒ C =
`$ (1)/(10) $`

D =
`$ (1)/(10^2) $`

Hence, the answer.