The answer would be 2y(3x²+ y²).
Answer:
Step-by-step explanation: To write a number in scientific notation, first write a decimal point in the number so that there is only one digit to the left of the decimal point.
So here, we have 2.25000 and notice that there
is only one digit to the left of the decimal point.
Next, we count the number of places the decimal point would
need to move to get back to the original number, 225,000.
Since we would need to move the decimal point 5 places to the right,
we have an exponent of positive 5.
Now, scientific notation is always expressed as a number between 1 and 10 including 1 but not 10 and it is multiplied by 10 to a certain power that must be an integer.
So we have .
Notice that the exponent is positive.
This is because we would need to move the decimal point to the right in order to get back to the original number.
So 2,917,000 can be written in scientific notation
as or just .
Remember that we can drop zeroes at the end of a decimal.
So we have .
Your answer is B) Cuz i did this problem yesterday so ya have fun
Answer:
<h3> in square feet</h3>
Step-by-step explanation:
Area of anything is<u> allways </u>reported <u>in square units</u>. Usually that is square of given unit because it's the simplest way:
R = 50 ft
A = πR² = π•(50 ft)² = π • 50 ft • 50 ft = 2500π ft² ≈ 7854 ft²
{Of course you can re-calculate the units, ex.:
3 feet = 1 yard so 50 ft = 50/3 yd then
A = πR² = π•(50/3 yd)² = π • 50/3 yd • 50/3 yd = 2500/9 π yd² ≈ 872.7 yd² }