__Award Brainliest if helped!Layman : The number of the largest power
Say

, Degree is 2 (X^2)
and if

, the Degree is 3.
Technical : Largest exponent of variable.
Answer:
22/44, divide both sides by 22, then you would got 1/2
Answer:2.5×10^-5. (And i think u meant in Scientific Notation)
Step-by-step explanation//Give thanks(and or Brainliest) if helpful (≧▽≦)//
Figure A is 319.5 and figure B is 315 so I subtracted and got 4.5 so the answer is C