455:6•7

To calculate 455 ÷ 6 • 7, you need to follow the order of operations, which is PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction). In this case, we perform the division first, then the multiplication.

455 ÷ 6 = 75.83 (rounded to two decimal places)

75.83 • 7 = 530.83 (rounded to two decimal places)

So, 455 ÷ 6 • 7 = 530.83.