The total amount of angles in quadrilateral is 360.so:
z=360-(122+79+90)
z=360-291
z=69
Always to do each to 1 sigfig 20-6=14
Answer:
??yes??
Step-by-step explanation:
Answer:
4¹⁸
Step-by-step explanation:
(4⁻³)⁻⁶
= 4⁽⁻³⁾⁽⁻⁶⁾
= 4¹⁸
If we factorize the expression

We will get

Hope I helped!