Science and Mathematics for Engineering 6th Edition by John Bird

Exercise 4

Evaluate: (a) $\frac { 2 ^ { 7 } } { 2 ^ { 2 } }$
(b) $\frac { 10 ^ { 4 } \times 10 \times 10 ^ { 5 } } { 10 ^ { 6 } \times 10 ^ { 2 } }$