Answer:
first is 20 second is 40 third is 60 and last is 80
Step-by-step explanation:
Answer:

round off to 3s.f
means change to when you have 3 useful numbers
7613.83 has 4numbers.2decimal
same must be the round off value
Answer:
Step-by-step explanation:
Take the coordinates of two points you want to find the distance between. Call one point Point 1 (x1,y1) and make the other Point 2 (x2,y2). ...
Know the distance formula. ...
Find the horizontal and vertical distance between the points. ...
Square both values. ...
Add the squared values together. ...
Take the square root of the equation.
I’m extremely sorry, I am stumped