This is because the 'principal square root' means the positive square root of a certain number, and so √16 = 4 × 4, making 4 the answer. This has a certain term for it as √16 could equal -4 also (-4 × -4 = 16).
<h2>✔Answer</h2><h2>✏PartA:-</h2><h2>Exponential decay describes the process of reducing an amount by a consistent percentage rate over a period of time. It can be expressed by the formula y=a(1-b)x wherein y is the final amount, a is the original amount, b is the decay factor, and x is the amount of time that has passed.</h2><h2>✏PartB:-</h2><h2 /><h2>The Earth could look like within 100 years if we succeed in curbing climate change.</h2><h2>Hopeithelps.❤</h2><h2 />
