Scientific Notation and Order of Magnitude | Math in Science | Quiz

Order of magnitude is a method for describing the size of measures in terms of powers of _____.

1

5

10

100
Which of the following equations is written in the form of scientific notation?

(5 x 1000) + (3 x 100) + (1 x 10) + (7 x 1)

(5 x 10³) + (3 x 10²) + (1 x 10¹) + (7 x 10⁰)

(5 x 612) + (3 x 111) + (1 x 14) + (7 x 9)

(5 x 6¹²) + (3 x 11¹) + (1 x 1⁴) + (7 x 9¹)
Researchers use scientific notation to write very large and very small numbers.

true

false
If you were to convert the number 52,468 to scientific notation, you would write it in this manner:

(5 x 10000) + (2 x 1000) + (4 x 100) + (6 x 10) + (8 x 1)

(50 x 1000) + (20 x 100) + (40 x 10) + (60 x 1) + 8

5.2468 x 10⁴

5.2468 x 10000
The mass of one water molecule is 2.992 x 10^-23 grams in scientific notation. What would be the decimal notation of this number? (Note: spaces added to make the numbers more legible.)

0.000 000 000 000 000 000 000 029 92

000 000 000 000 000 000 000 02.992

000 000 000 000 000 000 000 002 992

29,920,000,000,000,000,000,000.0
While visiting the Redwood National Forest in California, an informational sign says that one of the trees weighs 3.6287 x 10⁹ grams. What is that number in decimal notation? (Note: spaces added to make the numbers more legible.)

0.000 000 003 628 7

36,287.0

3,628,700,000.0

36,287,000,000,000.0
There are approximately 100,000,000 people living in the Philippines. This means the population has an order of magnitude of nine.

false

true
While working in the chemistry lab, your instructor tells you that a prepared solution contains 10g of sodium per 1,000 grams (g) of water. How many orders of magnitude less is the amount of sodium compared to the amount of water?

One

Two

Three

Four