To solve this equation, follow the order of operations (parentheses, exponents, multiplication and division from left to right, and addition and subtraction from left to right):
(30 - 18.5) x 4.5 + 0.06 x 13 = 11.5 x 4.5 + 0.78 = 51.75 + 0.78 = 52.53
To solve this equation, follow the order of operations (parentheses, exponents, multiplication and division from left to right, and addition and subtraction from left to right):
(30 - 18.5) x 4.5 + 0.06 x 13
= 11.5 x 4.5 + 0.78
= 51.75 + 0.78
= 52.53
Therefore, (30-18.5)×4.5+0.06×13 equals 52.53.