2/7 written as a decimal is 0.285714 repeating
When you write the decimal number '7' in Base-2 (binary), you write '0111'.
0.0875
7/9 written as a recurring decimal is 0.7777 repeating
7/9 writte as a decimal is .777 repeating. You can round this decimal to the nearest hundredth as 0.78
4.0
7.5
2/7 written as a decimal is 0.285714 repeating
When you write the decimal number '7' in Base-2 (binary), you write '0111'.
.7
1.4
0.7
0.875
It is 0.875
0.0875
1.7
.7 (repeating)