Answer:
1/80 or 0.01234568
Step-by-step explanation:
Exponentiation: (-3) ^ (-9) = -5.08052634253E-5 = -1/
19683
Exponentiation: (-3) ^ 5 = -243
= -1/
19683
* (-243) = -1 · (-243)/
19683 · 1
= 243/
19683
= 1 · 243/
81 · 243
= 1/
81
9 and then 4 for every 9 goldfish, there are 4 gallons of water
I think it’s B
Hope this helped
Answer: $90
Step-by-step explanation:
To find 60% of 150, you can simply use this equation, 60 X 150 divided by 100. That will leave you with 90, which is the amount he paid for the shoes. :)
Answer:
Depth of Martens aquarium water = 14 cm.
Step-by-step explanation:
Given:
An aquarium,which is a right rectangular prism.
Length of the aquarium,
= 18.5 cm
Width of the aquarium,
= 15 cm
Volume of the aquarium,
= 3885 cm cubes
We have to find the depth of the aquarium.
Let the depth be
cm.
Note:
Volume of the rectangular prism,V=lbh.
⇒
= 
⇒ 
⇒ Plugging the values.
⇒
⇒
cm
So,
The depth of the aquarium water is 14 cm.