Math in Chemistry

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Tags

CCSS.8.EE.A.3

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10⁴
• 5 x 10³
• .5 x 10³

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

Tags

CCSS.8.EE.A.3

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8
• 4.8 x 10²
• 4.08 x 10²
• 4.08 x 10^-15

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵
• 1.1 x 10¹⁰
• 1.10 x 10¹¹
• 1.1 x 10 ⁶

Tags

CCSS.8.EE.A.4

(2.9 x 10^-9) - (1.7 x 10^-9)

• 1.2 x 10^-18
• 1.2 x 10^-9
• 4.6 x 10^-9
• 1.335 x 10^-4

What SI unit is used to measure length?

• meters

• liters

• centimeters

• kilograms

Tags

CCSS.4.MD.A.1

What prefix is represented by the following symbol: m

• hecto

• kilo

• milli

• mega