Managing #'s in Chemistry

1 kg = ___ g

• 1
• 10
• 100
• 1000

4 meters equals how many decimeters?

• 400
• 40
• 600
• 40000

Tags

CCSS.2.MD.A.2

Write 0.00000054 in scientific notation.

• 54 x 10⁸
• 5.4 x 10⁷
• 54 x 10^-8
• 5.4 x 10^-7

Write 9.31 x 10^-5               in standard notation.

• 93,100,000
• 931,000
• 0.00000931
• 0.0000931

Tags

CCSS.8.EE.A.3

Write 5,890,000,000 in scientific notation.

• 5.89 x 10⁹
• 0.589 x 10¹⁰
• 589 x 10⁷
• 5.89 x 10^-9

Tags

CCSS.8.EE.A.3

Write 0.000009 in scientific notation.

• 9 x 10^-6
• 9 x 10⁶
• 0.9 x 10^-5
• 0.9 x 10⁵

How many sig figs are there?
100000000

• 1
• 9
• 10

How many sig figs are there?
0.00400

• 1
• 3
• 5
• 6

Tags

CCSS.8.EE.A.4

How many sig figs are there?
27000000

• 2
• 5
• 8

33 g - 2.1 g = ?

• 31.9 g

• 31 g

• 30.9 g

• 30 g