Physic Study Review HELP ASAP?!?!?! PLEASE & THANK YOU?

I need major help to study and these are some questions i honestly dont know the answer and i looked everywhere threw the book and my notes please help if you know the answer i would greatly appreciated it c: 91. Which of the following represents a decimal system of measurement? 1 kilometer = 1,000 meters 1... show more I need major help to study and these are some questions i honestly dont know the answer and i looked everywhere threw the book and my notes please help if you know the answer i would greatly appreciated it c:


91. Which of the following represents a decimal system of measurement?
1 kilometer = 1,000 meters
1 quart = 16 fluid ounces
1 mile = 5,280 feet
1 pound = 16 ounces

113. You measure the mass of a 0.500 kg (500 g) standard on your balance four times. The following measurements result: 498 g, 501 g, 499 g, 500 g. Which of the following best describes your balance?
not precise and not accurate
not precise but accurate
precise and accurate
precise but not accurate

114.If a box has a length of 10.0 cm, a width of 20.0 cm, and a height of 5.00 cm, then what is its volume in m3?
1.00 × 10^-4
1.00 × 10^-3
1.00 × 10^4
5.00 × 10^2

115. What is the difference between 3.15 m and 2.0 m with the correct number of significant figures?
1 m
1.2 m
1.15 m
1.150 m

116. Which of the following measurements has two significant digits?
0.05 kg
50 m
0.2 s
0.030 g
1 answer 1