Scientific Notation - Review

Why might someone use scientific notation? Select the best answer.

• it's an easier way to express a really big/small/long number

• it's and easier to read or say a really big or small number

• it's easier to compare numbers in the same form/length, least to greatest

• all of the above are reasons someone might use scientific notation

• it's always a number between 1 and 10 (but not 10)

• it's always a decimal number

• it's always a whole number

• it's always a base 10 exponent

• it's always a number between 1 and 10 (but not 10)

• it's always a decimal number

• it's always an exponent to the power of 14

• it's always a base 10 exponent

• the first number, 43.2, is too large

• the first number, 43.2, cannot be a decimal

• there is no multiplication in scientific notation

• the first number, 4.32, is too large

• the first number, 4.32, cannot be a decimal

• it would equal a very large number

• it would equal a very small number

• it would equal a very large number

• it would equal a very small number

• it would have 12 zeros on the end of the number

• it would have 14 zeros on the end of the number

• True

• False

• True

• False