15) How many significant figures are in 4.010000kg? A) 7 B) 3 C) 5 16) What is the answer for the following calculation: 1.209 - 0.0204 ? A) 1.19 B) 1.189 C) 1.1886 17) What is the answer for the following calculation: 0.0234 x 139.37 ? A) 3.26 B) 3.261258 C) 3.261
15) How many significant figures are in 4.010000kg? A) 7 B) 3 C) 5 16) What is the answer for the following calculation: 1.209 - 0.0204 ? A) 1.19 B) 1.189 C) 1.1886 17) What is the answer for the following calculation: 0.0234 x 139.37 ? A) 3.26 B) 3.261258 C) 3.261
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter1: Chemistry And Measurement
Section: Chapter Questions
Problem 1.153QP
Related questions
Question
Transcribed Image Text:15) How many significant figures are in 4.010000kg?
A) 7
B) 3
C) 5
16) What is the answer for the following calculation: 1.209 - 0.0204 ?
A) 1.19
B) 1.189
1.1886
17) What is the answer for the following calculation: 0.0234 × 139.37 ?
A) 3.26
B) 3.261258
3.261
18) What is the answer for the following calculation: (1.249 - 0.0234) × 139.37 ?
A) 170.812
B) 170.8
C) 170.81
19) How many grams of iron are in 350. mg of iron?
A) 0.350 g
B) 3.50 g
C) 35.0 g
20) Express 1.40 × 10-3 L in decimal notation.
A) 0.00140 L
B) 0.0014 L
C) 0.014 L
21) A statement about mass always being conserved in a chemical reaction is an example of a
A) theory
B) hypothesis
C) law
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