Into Math Advanced 1 Module 5

$$-1.8\ (repeating)$$

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

The answer is 6.

The change in depth is -90 meters.

The net change is $124.50.

The answer is 3.

A negative fraction is a fraction where the numerator or denominator is negative. Example: $$-\frac{3}{4}$$ .

Repeating decimal notation indicates that a digit or group of digits repeats indefinitely. Example: $$0.333...$$ is written as $$0.3\ (repeating)$$ .

Net change refers to the difference between the amount of money coming in and going out. It shows the overall effect on the balance.

Depth change = rate of descent × time.