Sig Figs

25 July 2022
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15 test answers

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question
The measurement that has only non-significant zeros is A. 60.0 B. 506 C. 0.0037 D. 400.
answer
C- 0.0037
question
In the measurement 0.503 which digit is the estimated digit A. 5 B. The zero to the left of the decimal point C. The zero immediately to the left of the three D. 3
answer
D-3
question
The number that has five significant figures is A. 23410 B. 10.292 C. 0.00653 D. 0.91783
answer
B- 10.282
question
Which of the following measurements contains two significant figures A. 0.00044 B. 0.00404 C. 0.00440 D. 0.00400
answer
A- 0.00044
question
Which of the following measurements is expressed to three significant figures A. 0.070 B. 7077 C. 7.30 X 10^-17 D. 0.007
answer
C- 7.30 X 10^-17
question
The number of significant figures in the measurement 17 0.040 km is A. 5 B. 4 C. 3 D. 6
answer
D. 6
question
The number of significant figures in the measured value 0.00320 g is
answer
3
question
To two significant figures the measurement 0.255 g should be reported as
answer
0.026
question
When determining the number of significant digits in a measurement
answer
All nonzero digits are significant
question
How many significant figures are in the measurement 40,500 mg
answer
3
question
The measurement that has been expressed to four significant digits is A. 0.00402 B. 30.00 C. 0.0020 D. 402.10
answer
B- 30.00
question
Round 1.24 5633501 Γ— 10 to the eighth power to four significant digits
answer
1.246Γ—10 to the eighth power
question
What is the measurement 111. 009 rounded off to four significant to digits
answer
111.0
question
What is the measurement 1042 round it off to two significant figures
answer
1.0 X 10^3
question
For numbers less then 0.1 such as 0.06 the zeros to the right of the decimal point but before the first nonzero digit
answer
Show the decimal place of the first digit