8 x 8 x 8 x 8 x …..n times = 8 n. The above expression, 8 n, is said as 8 raised to the power n.Therefore, exponents are also called power or sometimes indices. Examples: 2 x 2 x 2 x 2 = 2 4; 5 x 5 x 5 = 5 3; 10 x 10 x 10 x 10 x 10 x 10 = 10 6; General Form of Exponents
The power of 10 will be the number of places the original decimal point was moved and it will be positive as it was moved towards the left side. Example: 145,000 = 1.45 x 10⁵. Multiplying and Dividing By Positive Power of 10 Maths. 1. When multiplying the number by the power of 10, we move the decimal points to the right side for each power
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10 to the power of 20
