The population of bacteria in a petri dish doubles every 40 seconds. The population of the bacteria is initially 400 organisms.

What unit is most appropriate for the time at which the number of bacteria is 300?

hour

bacteria per hour

second

bacteria per second

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Find the area of the regular hexagon if a side is 20 cm.

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext