# chemistry test 2 mp 1 10-5-13

 .remove_background_ad { border: 1px solid #555555; padding: .75em; margin: .75em; background-color: #e7e7e7; } .rmbg_image { max-height: 80px; } how to perform metric conversions 1) write exponent for prefix given 2)subtract the exponent3) move decimal point over in direction & distance of the difference what is a significant figure includes all known digits and one that is estimated are digits 1-9 always sig figs yes are 0s to the left of (non zero digit) significant Never are 0s in the middle of non zero digits always sig fig yes always are zeros to the right of (1-9) sig figs Sometimes ( only if there's a decimal point) How do you add / subtract with sig figs 1) line up decimal point2)add or subtract 3)sum or difference must have the same number of digits after the decimal point as the measurement with the fewest digits after the decimal point (ex- 39.48-36.096= 36.096=36.10) how do you multiply and divide with sig figs 1) multiply or divide2) product or quotient must have the same # of sig figs as the measurement with the fewest # of sig figs accuracy how close a measured value is to an accepted value precision how close a series of measurements are to each other. Authorkimkrak ID238221 Card Setchemistry test 2 mp 1 10-5-13 Descriptionmp 1 10-5-13 Updated2013-10-01T22:58:24Z Show Answers