Question

Work out
(8 x 10^-3) x (2 x 10^-4) in standard form

Answer 1

0.0000016

Explanation:

(8 x 10^-3) x (2 x 10^-4)

= 8 x 10^-3 x 2 x 10^-4

= (8 x 2) x (10^-3 x 10^-4 )

= 16 x 10^ [(-3) + (-4)]

= 16 x 10^ (-3-4)

= 16 x 10^ (-7)

= 0.0000016