Answer:
a²/9
Step-by-step explanation:
(27a⁻³) (-⅔) = 27^(-⅔) × (a⁻³)^(-⅔)
= (3³)^(-⅔) × a²
= 3⁻²a²
= a²/9
Answer:
-5 degrees
Step-by-step explanation:
you started at 75 degrees. it dropped at a rate of 10 degrees per hour. It's been eight hours. 8 times 10 equals 80. It dropped a total of 80 degrees. the starting 75 degrees minus the current 80 degrees equals -5 degrees.
54 percent
You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%
I believe it would be 6 due to the radius being a half of the actual circumfrence
Answer:
2 50 mL bottles
Step-by-step explanation:
Find the cost per mL
55 / 80 mL =.6875 per mL
Now find the price of the buy one get one 1/2 off
45 + 1/2 (45) = 45+22.5=67.5
That will be for 50+50 mL
67.5 /100 ml =.675 per mL
The 100 mL is a better deal
