0.0000000798 can be expressed in standard form as
7.98 × 108
7.98 × 109
7.98 × 10-9
7.98 × 10-8
Since the standard form of a number should have one non zero digit before decimal, so by moving the decimal 8 places right, we get 7.98 × 10-8
If diameter of the sun is 1,400,000,000, then it can be expressed in the standard form as
Very large numbers can be expressed in the standard form by using ______ exponents.
The distance of earth from sun is 1,49,600,000,000 meters. This distance can be expressed in the standard form using exponent as