1) What is the scientific notation of 5,000? a) 5x102 b) 5x104 c) 5x103 d) 5x105 2) Why do we use scientific notation? a) To make numbers look fancyTo make numbers look fancyTo make numbers look fancyTo make numbers look fancy b) To avoid decimals To avoid decimals c) To express very large or very small numbers more conciselyTo express very large or very small numbers more concisely d) To replace fractionsTo replace fractions 3) Multiply (3 x 104 ) by (2 x103) a) 6x107 b) 5x107 c) 6x106 d) 6x108 4) Which of the following is the correct result of dividing a) 2x103 b) 2x104 c) 2x102 d) 2x105 5) A scientist writes the speed of light asA scientist writes the speed of light as 3 x 108 m/s.Which is better and why? a) 30 x 107, because it looks larger b) Both are equally valid c) 3 x 208,because it follows proper scientific notation rules (one digit before the decimal) d) Neither is correct

math

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