University:
California State University, Northridge
Course:
PHYS 100A | General Physics I
Academic year:

2024
Views:

326

Pages:

2
Author:

Nesbyenvkk

Significant Figures Worksheet 1. Perform the following algebraic calculations indicated. Record your answer in either standard notation or scientific notation, with the correct number of significant figures. Show your calculations. a. 2.16 × 3.400 ( 22.99 + 35.45 ) b. [ c. = ] ( 1.26914 x 10 3 - 1079.9040 ) × 11.090 (433.621 - 333.9) = ( 5.7 × 10- 2 + 6.7201 ) ( 30.671 ÷ 5.31 ) = d. [(5.6899 x 103) + (3.03487 x 103)] x 2.090 x 10−3 = e. (123.0 + 33.0033) x 2.30 x 10−1 = 2. Perform the following unit conversions: Useful unit conversions: 1 lb = 454 g, 1 in = 2.54 cm (exact), 1 mile = 1.609 km, 1 mile = 5280 ft (exact) a. 14.7 lb/in2 into kg/m2 b. 5.5 miles into inches (in) c. 4.00 x 103 Gm into μm d. 0.2587 ft3 into mm3 3. We will determine the Density of your cell phone. Google the mass of your cell phone and the length, width and height from the manufacture’s website. List all units and significant figures, Brand and model of Cell phone__________________________________Mass # of Sig figs length # of Sig figs Width # of Sig figs Height # of Sig figs b. Calculate the density. Show all Calculations with units and significant figures. c. Convert the density to the following unit : g/ml , kg/inch3 and ng/cm3 . Show all calculations with units and significant figures