Real Application Scientific Notation

Which of the following is a real-life application of scientific notation?

• Calculating the distance between two cities

• Measuring the height of a building

• Expressing the mass of the Earth

• Determining the temperature of a room

Tags

ONTARIO.MATH.8.B1.1

a number in _______________ is expressed as
a x 10ⁿ, where 1≤a<10 and n is an integer

• negative exponent

• geometric sequence

• scientific notation

• exponential growth

Tags

CCSS.8.EE.A.3

Express the following in standard notation:
8.025 x 10^-8

• .00000008025

• .000000008025

• 802,500,000,000

• 80,250,000,000

Convert to standard notation:
2.4 x 10^-3 

• 2400

• 0.24

• 0.024

• 0.0024

• A

• B

• C

• D

The table below shows the debt of the three most populous states and the three least populous states. Part A.) What is the sum of the debts for the three most populous states? Express your answer in scientific notation.

• 1.892 x 10^6

• 1.02 x 10^12

• 1.892 x 10^3

• 1.02 x 10^7

Tags

CCSS.8.EE.A.4

Convert to standard notation:
3.05 x 10⁵ 

• 305,000

• 305

• 3,050,000

• 30,500

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

• 0.0056

• -5,600

• 0.00056

• -0.0056

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

Tags

CCSS.8.EE.A.4

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

Tags

CCSS.8.EE.A.4