4.1.1 Expressions with Exponents

Activity symbol Activity: Exponents

In your math notebook, determine the value of each of the given expressions and write out, in words, how you would say it.

(a) two cubed

Hint symbol

Comment

Rewrite the expression so that it is repeated multiplication.

Solution symbol

Answer

(a) equation sequence two cubed equals two multiplication two multiplication two equals four multiplication two equals eight; “2 cubed or 2 raised to the power 3””

(b) four squared

Solution symbol

Answer

(b) equation sequence four squared equals four multiplication four equals 16; “4 squared”

(c) three super four

Solution symbol

Answer

(c) equation sequence three super four equals three multiplication three multiplication three multiplication three equals nine multiplication nine equals 81; “3 raised to the power four”

(d) seven squared

Solution symbol

Answer

(d) equation sequence seven squared equals seven multiplication seven equals 49; “7 squared”

4.1.2 Calculator Exploration: Exponents