Scientific Notation
Decimals
Variables
Exponents
Penta-cookies
100

Convert 62,000,000 into scientific notation.

6.2 x 107

100

4.327 + 1.261 = 

5.588

100

x - 12 = 242

x = 254

100

24

16

100

How many penta-cookies can you eat?

Infinity!!!

200

Write 9.137 x 10in standard form     

913,700,000

200

______ + 0.4 = 0.7

0.3

200

Solve for x. 

x + 3000 = 9,200

x = 6,200

200

3-3

1/27

200

A regular penta-cookie has a side of 9.6 inches. Find the perimeter of the penta-cookie.

48 inches

300

Write in standard form 4.3 x 10-10


0.0000000043

300

7.3 - 0.5 =

6.8

300

3x = 42

x = 14

300

9.40

1

300

A penta-cookie has an area of 21 in2

Find the measurement of one side.

4.2 inches

400

Convert 0.000000001234 scientific notation.

1.234 x 10-9

400

1.3 x 4.1 =

5.33

400

Simplify the expression.

2y - 4x +9y + 8x - 3y

8y + 4x

400

34 x 38

312

400

A pentagon has sides 5.6, 4.8, 5.6, 5.6, and 4.8 inches. Find the perimeter. 

26.4 inches

500

1.2 x 105   +   3.8 x 106

3,920,000

500

1000 x 0.0003

0.3

500

3x + 12 = -24

x = -12

500

Write 0.4 x 0.4 x 0.4 x 0.4 as an exponent

0.44

500

A garden is shaped like a regular pentagon with sides of 10 in and an apothem of 6 in. Find the area of the garden.

1/2 (6)(50) = 150 inches

M
e
n
u