1.
The SI prefix femto (f) equals:
2.
NaCl formed using isotopes Cl-35 & Cl-37. Law illustrated is:
3.
The last digit in any measured number is called the:
4.
Which number shows uncertainty clearly?
5.
72.5 + 0.008 (correct sig figs)?
6.
How many significant figures does 143.25 have?
7.
In 6.90 × 10³, how many significant figures?
8.
1 atmosphere is equal to:
11.
The prefix zepto (z) corresponds to:
12.
Significant figures refer to:
13.
Which shows maximum precision?
14.
The value of 1 nano (n) is:
15.
1 Zetta (Z) is equal to:
16.
Which operation uses decimal places rule?
19.
1 litre (L) is equal to:
23.
5.478 rounded to 3 significant figures becomes:
24.
0.056 × 2.1 (correct sig figs)
25.
Which zeroes are always significant?
26.
1.325 ± 0.001 shows how many significant figures in measurement?
27.
The energy hierarchy from highest to lowest is:
28.
In addition/subtraction, the answer should be rounded based on:
29.
Which has 4 significant figures?
30.
In multiplication/division, the result must keep:
31.
In 1.500, how many significant figures are present?
32.
1 Yotta (Y) corresponds to:
33.
12000 has how many significant figures (without decimal)?
34.
200.0 has how many significant figures?
35.
How many significant figures does 0.00345 have?
36.
The prefix micro (µ) corresponds to:
38.
3.333 + 0.011 = ? (correct sig figs)
39.
5.621 × 2.0 (correct sig figs)?
40.
What does uncertainty in measurement refer to?
41.
1 Exa (E) corresponds to:
44.
A measurement is accurate when:
45.
During rounding, if the digit after 5 is zero or absent, the preceding digit:
