Step-by-step explanation:
.19 = 19/100
.864 = 86.4/100
.5348 = 53.48 /100
I multiplied the decimal by 100 to get what it was before which is the same as moving two decimal places to the right and divided by 100
if any confusion ask
Last answer for the first question and in not sure about the second one
I hope this helps u
And others if ur searching for
What is this type of math called please and what year/grade if you don’t mind me asking so I can be prepared