GMAT Official Study Guide – PS #15 (Level: 300-400)
Problem:
0.1 + (0.1)2 + (0.1)3 =
Solution:
0.1 + (0.1)2 + (0.1)3 = 0.1 + 0.01 + 0.001 = 0.111
Strategy:
Be sure to line up your decimals before you add (not necessary for multiplication).
Problem:
0.1 + (0.1)2 + (0.1)3 =
Solution:
0.1 + (0.1)2 + (0.1)3 = 0.1 + 0.01 + 0.001 = 0.111
Strategy:
Be sure to line up your decimals before you add (not necessary for multiplication).
