In 2010, the number of participants in a checkers tournament was 2.6 × 104 people. in 2013, the number of participants in a checkers tournament was 5.2 × 106 people. by what factor did the number of participants increase from 2010 to 2013?

The number of participants increased by a factor of 200 from 2010 to 2013.

A:
the coefficients are 15 and 100
the variables are x and y
B:
there are two terms
they are 15x and 100y
you know because a term is a single number, single variable, or combined number and variable in an expression
C:
15x shows the total earned from her allowance because the coefficient 15 is in relation to her allowance