pls,this is very urgent.can anyone solve this within 10 mins..

0.000143 over 1940000 equals k*10powern,where 1 greaterthan equals to k greater10 and n are whole number.The value of
k and n are......

If you enter your numbers in a calculator as they stand, it should automatically give you the result in scientific form

my calculator gave me
7.37113.... -11
which is interpreted as

7.3711 x 10^-11

(most of todays calculators will switch to scientific mode if the result is either too large or too small to display. The numbers shown will usually be about 10 significant digits)