4.56•10•10•10•10•10. The dots mean multiply
Answer:

Step-by-step explanation:
Answer:
842 rounded to the nearest ten is 840
Step-by-step explanation:
EACH interior angle = 180 - (360 / # of sides)
EACH interior angle = 180 - (360/8)
EACH interior angle = 180 -45
EACH interior angle = 135
Answer:
The fourth one Its tell you to add or miners or multiple
Step-by-step explanation:
And then the rest is telling you to explain you answer using your own words.