Answer:
b. 72 = amount; is not valid
Step-by-step explanation:
The variable that receives the value(s) must always be on the left side of the equal sign.
It is a convention that makes the sentence more readable and easier to understand. For example, option "a" (total = 9) would be read as: "take variable called 'total' and make its value equal to 9".
Answer:
i don't know
Step-by-step explanation:
to be honest
they indicate that they are parallel lines. please brainliest
Answer:
4⁻⁴
Step-by-step explanation:
4⁵ × 4⁻⁷ ÷ 4⁻²
⁺ ⁵ ⁻ ⁷
= ⁻²
⁻ ² ⁻ ²
= ⁻ ⁴
4⁻⁴