Express the following numbers as scientific notation with the specified sig figs:
4.94900 (2 sig figs)
Express the following numbers as scientific notation with the specified sig figs: 4.94900 (2 sig figs)
1)
Scientific Notation for first problem not necessary, only 3 sig
figs needed. Please explain how answer was obtained and box or
circle final answers.
2)
3)
Please explain how answer was obtained as I am having trouble
with third question
At a certain temperature the equilibrium constant, Kc, equals 0.11 for the reaction: 2 IC1(g)=12(8) + Cl2(g). What is the equilibrium concentration of Cl2 if 3.18 mol of I2 and 3.18 mol of Cl2 are initially mixed in a...
answer with two sig figs scientific notation
QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...
USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION
Determine the molar (M) concentration of a solution made by dissolving 7.714E1 g of CaCl2 in sufficient water to make 250.0 mL of solution. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g. 2.5E5 for 2.5 x 105) Numeric Answer: Determine the number of grams of potassium permanganate present in 5.25E1 mL of a 0.250 M KMnO4(aq) solution. 0 Respond with the...
A B D E hone of the 7.1 above What is 700 in scientific notation? 7.01x10 2 7 7x10 2 none of the above What is 4,9000,000,000 in scientific notation? 4.9x10 9 4.9x10-9 4.9x10 8 4.9x10-11 What is 5326.6 in scientific notation? 5.3x10A3 5.3266x103 5326.6x10 3. 5.4 none none of the Rewrite 1.041679 to 3 sig figs. 1.05 1.04 1.012 1.2 above none of the Rewrite 0.0217613 to 3 sig figs. 0.03 0.0218 0.032 above none of the 005 0.067...
1. Express the following numbers in correct scientific notation. 0.007230 -72800 308.70 2. How many significant figures are there in the following numbers? 650.00 102200 10. 45.034 2.60 x 1022 17.2010 3. Round off the following numbers to TWO significant figures. 34.459 0.07918227 700-2 6.854 x 10- 0.729
The sample calculation of sodium hydroxide molarity for trial #1 is _M.(4 sig figs, no units, no scientific notation) The calculated average sodium hydroxide molarity is __ sig figs, no units, no scientific notation) M. (4) • Trial #1 • Mass KHP: 0.3063 • Initial burette reading: 0.0mL • Final burette reading 14.9mL • Trial #2 • Mass KHP: 0.312g • Initial burette reading: 0.4mL • Final burette reading: 15.5mL
the answers to problem number 3 please
2. Express the following numbers in correcet scientific notation. (Total 18 pts; 6 pts each) 293.43 3 9.30 o 0.00930 3. Round off the following numbers to three significant figures. (Total 20 pts; 4 pts each) 58240 5Raoo 0.07912 400.4 LOO 9.245 x 104 7.999
3. Express the following numbers and computed results in scientific notation, paying attention to significant figures a. 0.000000550 b. 3,200,000
NAME: RECORD ANSWER WITH CORRECT UNITS AND CORRECT SIG FIGS IN BOX PROVIDED-USE SCIENTIFIC NOTATION IF OVENIENT. SHOW UNIT CONVERSION PROCESS IN SPACE PROVIDED BELOW EACH QUESTION FOR FULL CREDIT. 1. Assume your hybrid car gets 38.0 miles per gallon (mpg) and the current price per gallon of regular, unleaded gasoline is $2.52. The car's gas tank holds 11.5 gallons. a. How far (in km) can the car travel on a tank of gas? b. What will be the cost...
Round the value 875.2763 to 1) 5 sig figs 2) 3 sig figs 3) 2 sig figs 4) 1 sig fig