Exploring Powers of 10 and Scientific Notation

What does the exponent indicate when using a base of 10?

• The number of times to multiply by 10

• The number of zeros to add

• The number of times to divide by 10

• The number of decimal places to move

What does 10^4 represent in expanded form?

• 1000

• 10000

• 10 * 10 * 10 * 10

• 10 + 10 + 10 + 10

If you have 5.234 * 10^2, where will the decimal point move?

• Two places to the left

• Two places to the right

• Three places to the right

• It stays in the same place

If a number is multiplied by 10^2, how many places does the decimal move?

• It does not move

• Three places

• Two places

• One place

What is 97.64 * 10^4 in standard form?

• 9764

• 976.4

• 976400

• 97640000

What common mistake do people make when moving the decimal place?

• Moving it in the wrong direction

• Subtracting zeros

• Adding too many zeros

• Not moving it at all

What is 1.025 * 10^3 in standard form?

• 10250

• 10.25

• 1025

• 102.5

What is the purpose of scientific notation?

• To simplify addition and subtraction

• To make large numbers smaller

• To represent very large or small numbers efficiently

• To add more decimal places

How many numbers should be to the left of the decimal in scientific notation?

• Three

• Two

• One

• It varies

How is 23456 written in scientific notation?

• 234.56 * 10^2

• 2.3456 * 10^4

• 234560 * 10^1

• 23.456 * 10^3