1. Circle cm (centimeter) or m (meter) to show which measurement you would use to measure the length of each object.
a Length of a train
cm
or
m
6
b. Length of an envelope
cm
or
m
c. Length of a house
cm
or
m
8
d
2. Would it take more meters or more centimeters to measure the length of a
playground? Explain your answer.
9

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

The interior angles formed by the sides of a hexagon have measures that sum to 720°. what is the measure of angle a? enter your answer in the box. m∠a= °