What is 3.89 × 10–2 written in standard form?

a.
0.000389

b.
0.00389

c.
0.0389

d.
0.389

The graph below could be the graph of which exponential function?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width