2
1/10 + 1/10 = 2/10 = 1/5.
1.16 or ten
7 to the tenth power divided by 7 to the ninth power = 1
1 whole
4/7 plus 1/10 = 47/70
0.00001
Find the tenth place 0.X00 Add 1 to that place. 1.623 plus one tenth more is 1.723
17/20
1/3 plus 1/5 plus 4/10 = 0.933333
-110 = +1 -1 to any even integer power is +1 and to any odd integer power is -1
1/y10