Chemistry

posted by .

It says to perform the following calculations and express your answers in the correct units and number of significant figures.


2.8g/6.86 times 10^-3 l



45.68g
+3.8 g



1423 mL
- 40mL

  • Chemistry -

    The first one is to two sig digits.

    The second one is sig to the tenths place

    the third one is sig to the tens place

    1380ml

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    1.2 (1+ 23.0 x 10-6/°C*50) Could someone solve this problem for me and tell me how did you get the answer?
  2. Chemistry

    Perform the following calculations to the correct number of significant figures. (89.6-23.981)/0.0047
  3. Chemistry

    for each of the following, give an answer with the correct number of significant figures: A. 400 times 185 b. 2.40 divided by 4 times 125 c. 0.825 times 3.6 times 5.1 d. 3.5 times 0.261 divided by 8.24 times 20.0
  4. ***Chemistry!!!!

    Carry out the following operations, and express the answer with the appropriate number of significant figures. 1.)[(285.3 multiplied by 105) - (1.500 multiplied by 103)] multiplied by 2.8948 2.) 874 multiplied by [1267 - (3.50 multiplied …
  5. physics. PLEASE HELP

    Where do I start? Calculate the water pressure at the bottom of the 50-m {\rm m}-high water tower shown in the photo. Express your answer to two significant figures and include the appropriate units. The question says to neglect the
  6. Chemistry- urgent!

    Perform the following operations and express the results in the correct number of significant digits or decimal places. Express all results in scientific notation. Please help me I'm so confused on how to do this!! 15. (1.71 x 10^6)(6.73 …
  7. SCIENCE - PLEASE HELP PLESE

    1) Round 578.683 m, 47.3333 kg, and 789.5 cm to four significant figures. 2) Find the weight of a 12.25 kg dog. Round your answer to the correct number of significant figures. Use weight=massxfree-fall acceleration. 3) Round 3155.24m, …
  8. physics

    A model rocket leaves the ground, heading straight up at 45m/s . Part A What's its maximum altitude?
  9. Science (Chemistry)

    2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge?
  10. Mathematics in science

    Can you check my answers please? 1. A student measures the volume of a liquid and finds it to be 40ML. How many significant figures are in the measurement?

More Similar Questions