Give the name and symbol of the prefixes used with si units to indicate multiplication by the following exact quantites.
(a) 103
(b) 10-2
(c) 0.1
(d) 10-3
(e) 1,000,000
(f) 0.1

A. Kilo , K, multiplication by 1000

B. Centi, c

C. Deci, d

D. Mili, m

E. Mega, M

F. Micro, u

answer carbon and three oxygen atoms;

weight of any object is given by

w = m*g

where m is mass of the object and g is the acceleration due to gravity.

for earth the value of g is 9.8 m/s^2 so

w=117.6 n m=12 g=?

117.6=12g => g=9.8 m/s^2

which is the force of gravity on earth.