Scientific notation is a when numbers that are too big or small are expressed in a convenient manner by writing them in decimal form.
Scientific notation is usually used by mathematicians, and engineers, to simplify arithmetic operations. It I written as : a × 10^n i.e a times 10 raise to the power of n.
900 million= 900,000,000
Note that a = 9 and n= 8
900 million= 900000000 = 9×10^8.
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- (2, -7)
- lines r and s and lines t and u must be parallel