Writing and Using Scientific Notation

What is the purpose of using scientific notation?

• To simplify very large or small numbers

• To decrease the accuracy of calculations

• To increase the complexity of equations

• To make numbers larger

What is the base number always used in scientific notation?

• 1

• 5

• 100

• 10

What does the exponent in scientific notation represent?

• The total sum of the equation

• The number of decimal places moved

• The number of times to multiply by itself

• The number of times to divide by 10

How is a coefficient in scientific notation determined?

• By multiplying the number by 10

• By adding 10 to the original number

• By dividing the number by 10

• By moving the decimal point to create a number between 1 and 10

What is the scientific notation of 500?

• 5 x 10^3

• 500 x 10^0

• 50 x 10^1

• 5 x 10^2

Which of the following is a correct example of scientific notation for a small number?

• 5.5 x 10^9

• 5.5 x 10^-9

• 55 x 10^-8

• 0.55 x 10^-10

What must be true for a number to be in scientific notation?

• The base must be 100

• The exponent must be 0

• The coefficient must be greater than 10

• The coefficient must be between 1 and 10

How do you write 0.003400 in scientific notation?

• 34 x 10^-4

• 3.4 x 10^-3

• 3400 x 10^-6

• 3.400 x 10^-3

What is the scientific notation for 1,000?

• 10 x 10^2

• 1 x 10^3

• 100 x 10^1

• 1000 x 10^0

When adding numbers in scientific notation, what must be the same?

• The decimal places

• The exponents

• The bases

• The coefficients