#### Answer

(a) $710000000000000$
(b) $6000000000000$
(c) $0.00855$
(d) $0.0000000006257$

#### Work Step by Step

(a) $7.1 * 10^{14} =710000000000000$. Move the decimal point 14 spaces to the right.
(b) $6 * 10^{12}=6000000000000$. Move the decimal point 12 spaces to the right.
(c) $8.55 * 10^{-3}=0.00855$. Move the decimal point 3 spaces to the left.
(d) $6.257 * 10^{-10}=0.0000000006257$. Move the decimal point 10 spaces to the left.