-1.55 is a mixed number... the answer is:
-1 11/20
<span>3.60555128 is the awnser</span>
can you show me what the math problem is?
For the first one (aka 7) you would write 10² wich is the same as 10×10 and so the answer is 100
For the second one (aka 8) you would write 3×3×3×3×3×3×3×3×3 and the answer is 486 square miles