Scientific Notation

Standard to Sci. Not.

100

127,000,000

1.27x10⁸

200

0.00065

6.5x10^-4

300

503,000

5.03x10⁵

400

When do you use a positive exponent in scientific notation?

When the number is greater than 1.

500

When do you use a negative exponent in scientific notation?

When the number is less than 1. 

Sci. Not. to Standard

100

7.4x10⁷

74,000,000

200

3.59x10^-3

.00359

300

1.02x10²

102

400

2x10¹⁴

200,000,000,000,000

500

8x10^-9

0.000000008

Operations

100

5.2x10³+6.3x10⁵

6.352x10⁵

200

6.3x10^-3-2.1x10^-5

6.279x10^-3

300

(5.2x10³)(6.3x10⁵)

3.276x10⁹

400

(6.3x10^-3)/(2.1x10^-5)

3x10²

500

What is important to remember when putting numbers in scientific notation into your calculator? (especially when multiplying or dividing)

Use parentheses.

Solving Equations

100

Solve for x:

x+8=-13

x=-21

200

Solve for x:

-17x=51

x=-3

300

Solve for x:

x-5=9

x=14

400

Solve for x:

4(x-5)=20

x=10

500

Solve for x:

-3(x+7) - 4 = 23

x=-16

Wild Card

100

What is the name of our wonderful class helper?

Sydney

200

What is the golden rule of algebra?

Whatever you do to one side of the equation, you do to the other. 

300

What is an inverse operation?

Where you do the opposite operation to isolate the variable when solving an equation. 

400

What is the inverse of adding? subtracting? multiplying? dividing?

subtracting, adding, dividing, multiplying

500

What is the Alder Grove mascot?  

Sasquatch.