Question

Convert 11.42424242 … to a rational expression in the form of a over b, where b ≠ 0..

A 11 and 42 over 999
B 11 and 42 over 9999
C 11 and 42 over 99
D 11 and 99 over 42

Answer 1

@tkhunny

Answer 2

c it is C

Answer 3

That is true. Here is a way to see that:
\(x = 0.4242424242...\)
\(100x = 42.424242....\)
subtract the first from the second and:
\(99x = 42\)
\(x = \frac{42}{99}\)