Chapter 2 Practice Problems Flashcards
(31 cards)
What is 480,000 in scientific notation?
4.80000 x 10^5
What is 0.001256 in scientific notation?
1.256 x 10^3
What is 100.25 in scientific notation?
1.0025 x 10^2
What is 0.0000206 in scientific notation?
2.06 x 10^-5
What is 56.20 in scientific notation?
5.620 x 10^1
What is 3.65 x 10^4 in standard notation?
36,500
What is 6.5 x 10^-3 in standard notation?
0.0065
What is 5.4050 x 10^-2 in standard notation?
0.054050
What is 6.20 x 10^3 in standard notation?
6200
What is 5.5 x 10^-6 in standard notation?
0.0000055
How many sig figs are in 0.01025?
4
How many sig figs are in 25.014?
5
How many sig figs are in 107.0?
4
How many sig figs are in 5600?
Number is ambiguous
How many sig figs are in 0.005050?
4
Round 56.1245 with 3 sig figs
56.1
Round 0.00258851 with 4 sig figs
0.002589
Round 0.0048723 with 3 sig figs
0.00487
Round 25.824 with 3 sig figs
25.8
Round 6.3586 with 4 sig figs
6.359
Round 12.99 with 2 sig figs
13
87.251 - 4.65 - 62.9 = ?
19.701 –> 19.7
Lowest decimal place is the tenths place with 62.9
7.18 x 5.91.2 x 0.00450 x 0.87 = ?
16.61845 –> 17
The least amount of sig figs is 2 with 0.87
(91.130 - 89.35) /16.21 = ?
91.130 - 89.35 = 1.78 (lowest decimal place is the hundredths place with 89.35)
1.78/16.21 = 0.109808 –> 0.110 (least amount of sig figs is 3 with 1.78)
