Answer:
(-25 + 4 squared) x 7
( -25 + 16) x 7
-9 x 7
-63
Step-by-step explanation:
5.0547x10^8
Is it's scientific notation.
Answer: 7.5 dollars. Also known as 7.50
Step-by-step explanation: 1 roll is 5 dollars. You have 1 and a half rolls. So five, plus 2.5 (five divided into half). 7.5 dollars.