180-68 is 112 so 112 is angle fca
124 x 6 =744 und
$8.99 divide 33 = $0.27 each pencil
$0.27 x 744 = $200.88 (round $ 201)
-6.8^2
You can do this with a calculator or pen and paper.
With a calculator;
-6.8 squared = 46.24 (Notice that the answer is positive!)
This can help you to understand it
When somebody is reading numbers from a book
and he says "one and thirty-four thousandths",
you can tell that the number he's looking at is
1.034 .
