Standard Form (Sample Questions)


Example 1:
Express each of the following numbers in standard form.
(a) 63.4
(b) 2738
(c) 2300
(d) 428000000
(e) 0.0063
(f) 0.000000038

Solution:
(a) 63.4 = 6.34 x 10

(b) 2738 = 2.738 x 1000 = 2.738 x 10³

(c) 23000 = 2.3 x 10000 = 2.3 x 104

(d) 42800000 = 4.28 x 10000000 = 4.28 x 107

(e) 0.0063
=6.3× 1 1000 
= 6.3 x 10-3

(f) 0.000000038
=3.8× 1 100000000
= 3.8 x 10-8