Question

Express the following in standard notation: 2 x 10-5
A. 200,000
B. 20,000
C. 0.00002
D. 0.000002

Answer 1

C

Answer 2

c

Answer 3

Move the decimal 5 times to the left from 2.0 to .00002

Answer 4

C

Answer 5

example: 5*10^-3=0.005 decimal moves to the left 3 times.
therefore: 2*10^-5=0.00002 decimal moves to the left of 2 five times