Should be 7.5% I have to add more words to this sentence to post it
2^3 * 2^-5 = 2^(3 + (-5) = 2^(3 - 5) = 2^-2
1-1=0 lol how do u not know this ???
Answer:
-25
Step-by-step explanation:
First he bought 3 tires which total costed 105, then returned 2, so he got $70 back, meaning he had $35. Then he found 2 $20 bills, which raised his total to $75. Then, he bought a phone for $90, so he has -25 dollars left