Amedical researcher has two petri dishes containing viruses. dish b has a population density of 1.2 viruses per square millimeter. dish a has an area of about 2,826 square millimeters.
if both petri dishes have the same population density, approximately how many viruses are in dish a?

answer: 40392

step-by-step explanation:

10098 x 4 = 40392

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true

the answer would be a 24

step-by-step explanation:

c=2πr=2·π·3=24