SI Units, Scientific Notation and Sig Figs

SI Units

100

Unit for measuring Length

Metres

200

Unit for mass

kilograms

300

What are seconds?

Units of time

Scientific Notation

100

Prefix for thousand

kilo

200

Correct way to write 4650 in scientific notation?

4.65 x 10³

300

Symbol for centi-

c

400

Correct way to write 350000 in scientific notation?

3.5 x 10⁵

500

Correct way to write 0.000006 in scientific notation?

6 x 10^-6

Addition/Subtraction

100

5.6 + 5.01?

10.6

200

101.70 + 20.100?

121.80

300

1,000 + 456.1?

1456

400

0.322 + 0.788?

= 1.110

500

1000.30 + 99.2?

1099.5

Mult./Div.

100

4.03 x 6.7

27

200

2.50 x 18.02

45.1

300

20.5600 x 78.650

1617.0

400

0.009 x 0.1555

0.001

500

11067.98 x 10

1.1 x 10⁵

Number of Sig Digs

100

11

2

200

56.00

4

300

0.00097

2

400

13400009

8

500

6.7490 x 10¹⁰⁰

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