Use the properties of operations and rules for multiplying and dividing signed numbers to solved: -4*7/5*-3/4÷7/15

1 answer

To solve the expression -4*7/5*-3/4÷7/15, we follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).

First, we resolve all the multiplications and divisions:

-4 * 7 = -28
-28 / 5 = -5.6
-3 / 4 = -0.75
7 / 15 = 0.4667...

Now, we divide -5.6 by -0.75 and multiply the result by 0.4667:

(-5.6 ÷ -0.75) * 0.4667 = 7.466666667

Therefore, the expression -4*7/5*-3/4÷7/15 equals 7.466666667.