A scientist conducted research and plotted his results in the histogram shown below. Which of the following is the best measure of the center of the data? Mean
Median
Mode
They are all appropriate

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Heat is the total potential energy of a substance that can be transferred. true false

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line