Scientific Notation QuizVersión en línea Test your knowledge on scientific notation rules and operations! por Ali Zia 1 What is the scientific notation of 5,000? a 0.5×10^4 b 5.0×10^3 c 50.0×10^2 d 5.0×10^4 2 How do you express 0.00042 in scientific notation? a 4.2×10^4 b 4.2×10^-4 c 0.42×10^-3 d 42.0×10^-6 3 What must be true to add numbers in scientific notation? a Coefficients must be the same. b Exponents must be the same. c Numbers must be whole. d Exponents must be positive. 4 How do you adjust exponents for addition? a Move the decimal point. b Multiply the coefficients. c Subtract the coefficients. d Add the coefficients. 5 What is the result of (4.6 x 10^23)(2.0 x 10^-23)? a 9.2 x 10^46 b 2.3 x 10^0 c 9.2 x 10^0 d 9.2 x 10^23 6 What is the first step in dividing scientific notation? a Divide the coefficients. b Subtract the coefficients. c Multiply the coefficients. d Add the exponents. 7 What happens to the exponent when you multiply in scientific notation? a You add the exponents. b You subtract the exponents. c You multiply the exponents. d You leave the exponents unchanged. 8 How do you express 0.0005 in scientific notation? a 5.0×10^4 b 50.0×10^-5 c 5.0×10^-4 d 0.5×10^-3 9 What is the scientific notation for 1,000,000? a 0.1×10^7 b 10.0×10^5 c 1.0×10^6 d 100.0×10^4
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