Respuesta :
Answer:
Volume of the lake = 6.44 × 10¹¹ Litres
Step-by-step explanation:
First, let us unify the units of measurement in the problem by converting the depth from feet to miles
1 mile = 5280 feet
1 foot = 1/5280 miles
∴ 51.0 Feet = 51.0 × (1/5280) miles
= 0.009659 miles
Next, let us calculate the volume of the lake.
Volume = surface area × depth
surface area = 16.0 (mi)²
depth = 0.009659 mi
volume = 16.0 × 0.009659 = 0.15454 (mi)³
Next, since we are asked to report the volume in litres, let us convert from cubic miles to litres
1 cubic mile = 4.168 × 10¹² litres
∴ 0.15454 cubic miles = 4.168 × 10¹² × 0.15454
= 6.44 × 10¹¹ Litres
∴ Volume of the lake = 6.44 × 10¹¹ Litres
The volume of the lake is 6.46×10¹¹ liters.
To get the volume of the lake in liters, we need to calculate the volume in square miles and then convert it to liters.
Formula:
- V = Ah................... Equation 1
Where:
- V = Volume of the lake
- A = Surface area of the lake
- h = height of the lake.
From the question,
Given:
- A = 16.0 square miles
- h = 51.0 feet = (51×0.00019) feet = 0.00969 miles
Substitute these values into equation 1
- V = 16(0.00969)
- V = 0.15504 miles
- V = (0.15504×4.168×10¹²) liters
- V = 6.46×10¹¹ liters
Hence, the volume of the lake is 6.46×10¹¹ liters
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