# Lesson Worksheet: Scientific Notation Mathematics • 8th Grade

In this worksheet, we will practice expressing numbers in scientific notation and converting numbers between their standard and scientific forms.

Q1:

Express 8,460,000,000 in the standard form .

• A
• B
• C
• D

Q2:

What is 40,000,000 written in scientific notation?

• A
• B
• C
• D
• E

Q3:

Write 782 million in scientific notation.

• A
• B
• C
• D
• E

Q4:

There are approximately 200 million cows in India. Express this number in scientific notation.

• A
• B
• C
• D
• E

Q5:

What is 0.00007 written in scientific notation?

• A
• B
• C
• D
• E

Q6:

The ship Titanic that sank in the Atlantic had a mass of about 47,450,000 kg. Which of the following could be used as an estimate for this value?

• A
• B
• C
• D
• E

Q7:

An estimate for the number of eggs a queen termite can produce in a lifetime is 100,000,000. Write this number in scientific notation.

• A
• B
• C
• D
• E

Q8:

An estimate for the height of Mount Everest is 30,000 feet. Write this number in scientific notation.

• A
• B
• C
• D
• E

Q9:

Express 25 in scientific notation.

• A
• B
• C
• D
• E

Q10:

Express in standard form.

• A
• B
• C
• D

Q11:

Express 874,527,893 in scientific notation.

• A
• B
• C
• D
• E

Q12:

Express 0.00447 in scientific notation.

• A
• B
• C
• D
• E

Q13:

In America, about 10 million dollars is spent every day on potato chips. Express this amount in scientific notation.

• A dollars
• B dollars
• C dollars
• D dollars
• E dollars

Q14:

Approximately 35,000 tons of pasta are consumed in America every year. Express this number in scientific notation.

• A
• B
• C
• D
• E

Q15:

In the US, around 7,000 tons of worn out currency are shredded every year. Express this number in scientific notation.

• A
• B
• C
• D
• E

Q16:

Express 248 in scientific notation.

• A
• B
• C
• D
• E

Q17:

Express in standard form.

• A
• B
• C
• D

Q18:

Write 0.000853 in scientific notation.

• A
• B
• C
• D
• E

Q19:

Express 0.146 in scientific notation.

• A
• B
• C
• D
• E

Q20:

The length of an object is 7 mm. Express this length in meters, giving your answer in scientific form.

• A m
• B m
• C m
• D m

Q21:

The speed of light is approximately 300,000,000 m/s. Write this speed in scientific notation.

• A
• B
• C
• D
• E

Q22:

The population of the world is about 7,575,430,316. Which of the following could be used as an estimate for this value?

• A
• B
• C
• D
• E

Q23:

An estimate for the population of London, United Kingdom, is 9 million. Write this number in scientific notation.

• A
• B
• C
• D
• E

Q24:

The population of China is about 1,411,200,553. Which of the following could be used as an estimate for this value?

• A
• B
• C
• D
• E

Q25:

It is estimated that a single queen ant can lay 30,000 eggs per day. Write this number in scientific notation.

• A
• B
• C
• D
• E