0.7 , 1.4 , 1.8 , 2.2 , 3.9
Assuming you meant is

The answer would be :




Hope this helps !
Photon
However, your equation seems weird :o
To start I would add 400 + 200, and that equals 600.
Then I would add 30 + 50, and that equals 80.
And then I have 2 left over.
600 + 80 = 680
Add the left over 2, so 680 + 2
680 + 2 = 682. Your answer is 682.
I hope this helps!
<h2><u>
PLEASE MARK BRAINLIEST!</u></h2>
Answer:
Hello There!!
Step-by-step explanation:
It would equal 53.8303225806 so it would be to the next decimal number the 4 rounds up because 8 is above 5 so its 54. sorry if I'm wrong.
hope this helps,have a great day!!
~Pinky~