... 2 1 Some examples of decimals follow. 0.3 21 = _l_ + _l_ + _1_ = 3 21 10 10 0 1, 000 1, 000 0.03 21 = _Q_+_l_+-2-+ 1 10 10 0 1, 000 10 ,000 1. 56 = 1 + _i_ + ___§__ = 15 6 10 10 0 ... to the right if the exponent is positive and to the left if the exponent is negative. For example, 2. 013 x 10 4 is equal to 20 ,13 0 and 1. 91 x 10 -4 is equal to 0.00 019 1. 3 .1 ... of the last digit. For example, to add 17 .6 512 and 653.27, set up the numbers in a column and add: 17 .6 512 + 653.2700 670.9 212 Likewise for 653.27 minus 17 .6 512 : 653.2700 - 17 .6 512 635. 618 8...