1
Q
Scientific Notation
A
A shorthand way of writing really large or really small numbers. In scientific notation a number is written as the product of two factors
2
Q
First Factor
A
A number that is between 1 and 10, it may or may not be a decimal. Eg 2.8 in 2.8 x 10^8
3
Q
Second Factor
A
It is always a power of 10. The power of the exponent tells you how many places to move the decimal point. The sign of the exponent tells you which direction to move it. Eg 10^8 in 2.8 x 10^8
4
Q
45,000
A
4.5 x 10^4
5
Q
.05
A
5 x 10^ -2
6
Q
570,000,000
A
5.7 x 10^8
Math
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