The surgeon wants 60 cc ½% lidocaine with epinephrine 1:200,000. you have two 30cc vials of 1% lidocaine with epinephrine 1:100,
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<span> y-2 > 1
y-2+2 > 1+2
y+0 > 3
y > 3</span>
y-2+2 > 1+2
y+0 > 3
y > 3</span>
Negative exponents work like this:
So, in order to evaluate a negative exponent, you simply have to invert the base, and then raise to the positive equivalent of the exponent.
As an example, here are the first three exercises:
You can work out the rest applying this logic.
Answer:
Step-by-step explanation:
The volume of the pyramid is given by:
where is the area of the base and
is the height.
We know that the height is:
Thus we need to find the area of the square at the base.
The perimeter of the square is:
this means that the length of the sides of the square is :
Now we can find the area of the base which the area of the square:
and finally we find the volume:
Which rounded to the nearest tenth of a cubic centimeter is: