Scientific Notation
Standard Form
Rational or Irrational?
Metric Conversions
Decimals & Square Roots
100

Write 0.028 in scientific notation.

2.8x10-2

100

Write 9.89 x 107 into standard form (as a regular number).

98,900,000

100

Is 7.9 x 103 rational or irrational?

Why?

Yes because 7.9 x 103 = 79,000 which is a whole number

100

When moving up the metric ladder, which way do you move the decimal?

Left


100

What is 0.15 repeating as a fraction in lowest terms?

5/33

200

Write 0.000098 in scientific notation.

9.8x10-5

200

Write 6.89 x 10-5 into standard form (as a regular number).

0.0000689

200

Repeating decimals, terminating decimals, the golden ratio, and perfect squares are all rational numbers.

True or False?

False. The golden ratio is a decimal that does not have a repeating pattern. Therefore, it can not be rational.

200

Convert 

0.89mg to Mg 


0.0000000089 Mg

200

What would the denominator of a repeating decimal with three repeating digits always be?

999

300

Write 24,567 into scientific notation.

2.4567 X 104

300

Write 1.023 x 10 3 into standard form (as a regular number).

1,023

300

Give an example of a number that is rational but not an integer.

Examples include: 

-5/3, 8/11, 2/5

300

How many spaces do you move the decimal from Tera- to micro-? What direction?

20 to the right

300

Estimate the square root of 97 to two decimal places

9.85

400

Write .00004521 in scientific notation.

4.521x10-5

400

Write 1.24 x 105 into standard form (as a regular number).

124,000

400

Give three examples of rational numbers.

Teacher to check

400

Convert 0.9856 Tg to nanograms.

985,600,000,000,000,000,000 OR 9.856 x 1020

400

Order these from least to greatest:

-4.7676....

-17/3

square root of -27

- 17/3, square root of -27, -4.7676...


500

Write 9,870,000,000,000 in to scientific notation.

9.87 x 1012

500

Write 5.534 X 10-6 into standard form (as a regular number).

0.000005534

500

What is the difference between a rational number and an irrational number? Give an example of each.

Rational numbers- numbers that can be expressed in the form of a/b where b is not equal to 0. Rational numbers can be terminating decimals, repeating decimals, whole numbers, integers, perfect squares. 

Irrational numbers: can not express in the form of a fraction or ratio

500

Convert 789.56 microliters to gigalitres in scientific notation.

7.8956 x 10-13 gigalitres

500

Estimate the square root of 237 to two decimal places

15.40

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