## anonymous one year ago 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

1. anonymous

@tkhunny

2. anonymous

c it is C

3. Valpey

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