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1-2 Exponents An exponent tells how many times a number called the base is used as a factor Vocabulary Exponential Form: A number that is written with a base and an exponent Base – When a number is raised to a power, the number that is used as a factor is the base. Examples Exponents The exponent of a number says how many times to use the number in a multiplication. In 8^2 the "2" says to use 8 twice in a multiplication, so 8^2 = 8 × 8 = 64 Work some… Write the following in exponential form: 4 x4x4= 9 x 9 x 9 x 9 x 9 x 9 x = Find the Value: 2^7 6^4 Remember 4^2 is NOT 4 x 2!! It is 4 x 4!! Replace the letters a, b, and c with the numbers 3, 4, and 5 to make a true statement. 2a + 2a = bc Solve….Show work! Sarah opened a savings account, and deposited $3 on the first day. Then, each day she deposited triple the amount of the previous day for five days. How much did she deposit on the fifth day?