Show:
Scientific to Standard
Standard to Scientific
Comparing
Multiply or Divdie
Add or Subtract
100

Is the following expression written in scientific notation?  Why or why not?

3.25 + 10-7

No, is should be 3.25 X 10-7 instead of adding.

100

Convert to scientific notation: 234000

2.34 X 105

100

Which is bigger? 45,000 or 4.5 X 103

45,000

100

Evaluate your answer in scientific notation.

(4 X 104) * (2 X 107)

8 X 1011

100

Evaluate the following expression.  Leave your answer in scientific notation.

(4.5 X 104) + (1.75 X 104)

6.25 x 104

200

Convert to standard notation: 4.7 X 104

47,000

200

Convert to scientific notation: 20,360

2.036 X 104

200

Which is smaller? 9,000,000 or 9 X 109

9,000,000

200

Evaluate the following expression.  Leave your answer in scientific notation.

(6 X 10-2) * (4 X 1019)

2.4 X 1018

200

Evaluate the following expression.  Leave your answer in scientific notation.

(3.7 X 109) + (9.04 X 109)

1.274 X 1010

300

Convert to standard notation: 9.87 X 105

987,000

300

Convert to scientific notation: 0.000008

8 X 10-6

300

Which is equal? 

6.7 X 103 = 67,000 OR 5.4 X 104 = 54,000

5.4 X 104 =54,000

300

Evaluate the following expression.  Leave your answer in scientific notation.

(9 X 108)/(2 X 10-2)

4.5 x 1010

300

Evaluate the following expression.  Leave your answer in scientific notation.

(4 X 107) - (2 X 107)

2 X 107

400

Convert to standard notation: 3 X 10-6

0.000003

400

Convert to scientific notation: 734,239

7.34239 X 105

400

The size of the Sahara desert is about 3.629 X 106 square miles and the Arabian desert is about 9 X 105 square miles.  Which desert is larger?  Explain how you know.

Sahara, because it has a larger exponent.

400

Evaluate the expression below.  Leave your answer in scientific notation.

(3.66 X 106)/(2 X 109)

1.83 X 10-3

400

Evaluate the following expression.  Leave your answer in scientific notation.

(2 X 104) - (4 X 102)

1.96 X 104

500

Convert to standard notation: 3.425 X 10-8

0.00000003425

500

Convert to scientific notation: 0.000003005

3.005 X 10-6

500

The size of four oceans in square km is shown below.  List the oceans from smallest to largest.  Pacific Ocean 1.796 X 108, Artic Ocean 1.323 X 107, Atlantic Ocean 1.061 X 108, Indian Ocean 7.498 X 107

Artic, Indian, Atlantic, Pacific

500

Evaluate the expression below.  Leave your answer in scientific notation.

(9.99 X 10-6)/(.3 X 10-4)

3.33 X 10-1

500

Evaluate the following expression.  Leave your answer in scientific notation.

(5.4 X 103) - (1.2 X 105)

-1.1446 X 105