Please help! I don't understand how to do this :( Simplify.

Remove all perfect squares from inside the square root. Assume y is positive.

√200y^4=

What is the definition of exponential decay?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.