20 POINTS!!!! WILL MARK BRAINLEST

Answer:
358.01
Step-by-step explanation:
3 x 10^2 +5 x 10^1 +8 x 10^0 +1 x 1/10^2
3 x 100 + 5 x 10 +8 x 1 +1 x 1/100
300 +5 x 10 +8 x1 +1 x 1/100
300 + 50 +8 x1 +1 x 1/100
300 +50 +8 +1 x1/100
300 +50 +8 +1/100
358 +1/100
35801/100
358.01