I believe it is 56 because 7•8 is 56 and 1•56 is 56
9514 1404 393
Answer:
316 lumens/m²
Step-by-step explanation:
We assume your intensity function is ...
f(x) = 50,000(0.975^x) . . . . x meters below the surface
__
Use 200 for x and do the arithmetic.
f(200) = 50,000(0.975^200) ≈ 316 . . . . lumens/m²
Answer:
Yes
Step-by-step explanation:
90% of 50 is 40 so if more than 40 left before it hit 60 seconds then the 90% has been achieved.
Answer: 1809.56
Step-by-step explanation: Find The Radius Of A Quarter (Half Of The Diameter) Then Square The Radius, Or Multiply It By Itself. Then, Multiply The Squared Radius By Pi, Or 3.14, To Get The Area.
