The number 55,254,765 rounded to the nearest hundred is?

its 4 because 2 times 2 is 4, if you double the number two you get four

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.