Answer:
a
.6666666 has been rounded up to .6666667
b
0.3333333 = 1/3
0.8333333 = 5/6
2.1666667 = 13/6
0.6666667 = 2/3
0.1428571429 = 1/7
1.6666667 = 5/3
Step-by-step explanation:
a
7 appears at the end of 3 of the decimals because it has been rounded up from 6.66666 recurring.
b
I will go through how to convert one decimal to a fraction:
0.833333333 = x
8.333333333 = 10x
83.33333333 = 100x
100x - 10x = 75
90x = 75
x = 75/90 = 5/6
