The first option is the correct choice of answers.
9^-2 = 1/81 or 0.0123
When there is a negative in front of the exponent it makes a fraction. It is usually just 1/the number it equals if it were positive.
Answer:
X=30
Step-by-step explanation:
The whole polygon is 360 degrees so:
360-28-40-120-142=X, which is 30
Answer:
44 Paper wrap; Add all numbers together
Step-by-step explanation:
Hope this helps
Answer:
<h3>4cm</h3>
Step-by-step explanation:
