Rounding To Significant Figures Flashcards
1
Q
(4.2x10^4)x(3x10^2)
Give your answer in standard form
A
4.2x3=12.6
10^4x10^2=10^6
=12.6x10^6
=1.26x10^7
2
Q
What is the first significant figure?
A
The first non zero digit of a number when looking at it from the left
3
Q
4.734
What is the first significant figure?
A
4
4
Q
0.072
What is the first significant figure?
A
7
5
Q
3062.15
What is the 2nd significant figure?
A
0
6
Q
Round to 1significant figure:
43.651
A
40
7
Q
Round to 1significant figure:
0.07512
A
0.08
8
Q
Round to 1significant figure:
2505.72
A
3000
9
Q
Round to 2significant figure:
461.281
A
460
10
Q
Round to 2significant figure:
0.5068
A
0.51
11
Q
Round to 2significant figure:
5681.24
A
5700
12
Q
Round to 2significant figure:
2951.27
A
2000
