Which expressions are equivalent to the one below check all that apply 3^4•3^x

3^4+x

Step-by-step explanation:

3rd law of exponents. You can add the two exponents if they have a common base and are being multiplied :)

ex :

This is basically saying

(note for x = 2)

3^4 * 3 ^2

(3 * 3 * 3 * 3)(3 * 3)

This is also 3^6

:)

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total