Power of Ten Notation
For very large and very small numbers
35 000 = 3.5 × 104 or 35 × 103
458 000 = 4.58 × 105 or 458 × 103
0.000 042 = 4.2 × 10-5 or 42 × 10-6
0.000 159 = 1.59 x 10-4 or 159 x 10-6