{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# Ch.3 Questions - Chapter 3 Questions 3.15 this is wrong...

This preview shows pages 1–2. Sign up to view the full content.

Chapter 3 Questions 3.15) this is wrong because 3 ft = 1 yd. No, because 1000 cm = 1 m 3.17) it should contain one significant number because it divides into 3, which has one significant number and the rule is that the answer should contain the same number of significant numbers as the number with the lowest significant numbers. 3.18) a. 1 cm = .01 m b. 1 km = 1000 m c. 1 m = .000000000001 pm d. 1 dm = ? m e. 1 g = .001 kg f. 1 cg = ? g 3.25) -96˚F to ˚C? F = (9/5)C + 32 So.. -96 = (9/5)C + 32 … ANSWER = -71.11 3.28) 4 Kelvin to Celcius? K=C +273.15 4=C +273.15 ANSWER = -269 3.32) a. 37.53 = 4 sigs b. 37.240 = 5 sigs c. 202.0 = 4 sigs d. 0.00024 = 2 sigs e. 0.07080 = 4 sigs f. 2400 = 2 sigs 3.33) a. 0.0230 = 3 sigs b. 105.303 = 6 sigs c. 0.007 = 1 sig d. 614.00 = 5 sigs e. 10 = 1 sig f. 3.8105 = 5 sigs 3.36) a- 0.0023 x 315 = .72 45 = 72 ANSWER HAS TO HAVE THE LOWERST NUMB OF SIGS IN PROBLEM b- 84.25 – 0.01075 = 84.23 925 = 84.24 ANSWER HAS TO HAVE THE SAME NUMBER OF DECIMAL PLACES AS THE LOWEST IN PROBLEM 3.37) 3.58/1.793 = 1.996653 = 1.997

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern