Answer:
(x)=
+1
Step-by-step explanation:
a repeating decimal is placed over 9's instead of 0's. for example: 0.23 =
, but 0.232323... = ![\frac{23}{99}](https://tex.z-dn.net/?f=%5Cfrac%7B23%7D%7B99%7D)
a) x = 0.121212
b) 100(x) = 100(0.121212)
100x = 12.1212
c) 100x = 12.1212
- <u> x = 0.1212</u>
99x = 12
x = ![\frac{12}{99}](https://tex.z-dn.net/?f=%5Cfrac%7B12%7D%7B99%7D)
d) -2
<em>= -2
when simplified</em>
The number is rational becase it has a repeating decimal
Answer:
14
Step-by-step explanation:
10 is a multiple of 5
then you just add four