Chapter 1, Problem 1.71E

Do the indicated arithmetic and give the answer to the correct number of significant figures. I.   II. 0.71 + 92.2 III. 934 × 0.00435 + 107 IV. (847.89 - 847.73) + 14673

Do the following calculations to the correct number of significant figures: MUST follow the rules of SIGNIFICANT figures  a.) 432/7.3-28.523 b.) 0.004 + 0.09879 c.)87.6 + 9.888 +2.3 + 100.77 d.) 5.01 x 105/7.8 x 102

Someone invents new units of measurement: grobs, hulks, and blubs. They define that 1 hulk is equal to exactly 103 grob, and that 7 blubs is exactly 377 hulks. How many blubs are in 59.7 grob? O 3.22x106 blub 6.35x10-9 blub 1110 blub 158 blub O 15.8 blub

4. The density of a proton is approximately 4.0 x 1014 g/cm°. If the mass of the proton is 1.7 x 1024 g, calculate its volume. 4 b. Using the volume of a sphere equation, determine the radius of the proton in centimeters (cm). The volume of a sphere: V = Tr. (T= 3.14159) 4 c. Convert this answer to nanometers (nm).

How many significant figures does 3.005 have?

Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,o). What mass of water is produced by the reaction of 7.5 g of oxygen gas? Be sure your answer has the correct number of significant digits. x10

Assignment/take Covalent Activity.do?locator=assignment-take $ 4 Submit Answer [Review Topics] [References] Use the References to access important values if needed for this question. a. When 68.938 and 17.6 are added, the answer should be based on 2 significant figure(s). Enter the answer with the correct number of digits. 68.938 +17.6 = 104.54 decimal place(s) b. When 99.137 is divided by 44.926, the answer should be based on 2✔ significant figure(s) Enter the answer with the correct number of digits. 99.137 44.926= 2.21 F4 % 5 Retry Entire Group 4 more group attempts remaining F5 Cengage Learning Cengage Technical Support 6 MacBook Air F6 & 7 A F7 * CO ㅊ입 ▷II F8 ( 9 4 F9 ) A O F10 VOTING NOVE us.shein.com SHEIN X VACA CONTEST art would you II Previous Email Instructor F11 + 11

Do the following calculations to the correct number of significant figures: a.) 453/2.031 b.) 432/7.3-28.523 c.) 5.01 x 105/ 7.8 x 102 d.) 1459.3 + 9.77/ 4.32

Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H₂O) and carbon dioxide (CO₂) chemically react to form the simple sugar glucose (C6H₁206) a and oxygen gas (0₂). What mass of oxygen gas is produced by the reaction of 5.55 g of carbon dioxide? Round your answer to 3 significant digits. 10 x10 X