What is 0.49 written in scientific notation? 4.1109 × 10−1. 4.9×10 − 1. 4.901×10−1. 4.09×10−1

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.