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9/10

Step-by-step explanation: Greater than 3/4, less than 4/4, and a multiple of 0.3

.9 is the only multiple of .3 that is in the range of 75-100%.

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.