Express the following in scientific notation: (a) 4007 (b) 0.0068 ( c) 700.0 , (d) 7.0042

Explanation

(a) `4007 to 4.007 xx 10^(3)`
(b) `0.0068 to 6.8 xx 10^(-3)`
( c) `700.0 to 7 xx 10^(2)`
( d) `7.0042 to 7.0042`