For the second example, x should be 25, not 80.
Answer:
first off where is the photo
0.089 in scientific notion is...
8.9•10^-2
Left to right because in order of operations PEMDAS, The multiplication and division it's which one is first (which is which one is on the left)
4 WHITE CAN BE MIXED EASILY WITH ANY COLOR WHITE CAN MAKE A COLOR BRIGHTER OR FARKERS WHEN MIXTURED IN WITH OTHER COLOR