# Chemistry

 .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } Significant Figures the digits of the demical form of a # beginning with the leftmost nonzero digits and extending to the right Define Inversely Proportional a relationship where a # either increases as another decreases OR decreases as the another increases Define Directly Proportional a relationship where a # increases or both decreases together with another # at the same ratio Define Accuracy how close the average of a set of measurements is to the accept value (AAA) Define Precision how close a set of measurement values are to one another (reproducibility) Define Density the amount per unit size Tera is equal to what ?? T, 10^12 Giga is equal to what ?? G, 10^9 Mega is equal to what ?? M, 10^6 Kilo is equal to what ?? K, 10^3 Hecto is equal to what ?? h, 10^2 Deka is equal to what ?? da, 10^1 Deci is equal to what ?? d, 10^-1 Centi is equal to what ?? C, 10^-2 Mili is equal to what ?? m, 10^-3 Micro is equal to what ?? M, 10^-6 Nano is equal to what ?? n, 10^-9 Pico is equal to what ?? p, 10^-12 Solve: (2.1 * 10^6)(4.0 * 10^-4) 8.4 * 10^2 1.6 * 10^-8/ 8.0 * 10^-3 2. * 10^-6 4.0 * 10^4 +6 * 10^3 4.6 * 10^7 8.0 * 10^-4 - 9 * 10^-5 7.1 * 10^-4 What is the Density Formula ?? D=m/v What is the % Error Formula ?? % Error= exp-acc divide by acc, multiplied by 100 % .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } Authorchristina326 ID34606 Card SetChemistry DescriptionMeasurements and Calculations Updated2010-09-14T06:42:20Z Show Answers