Marvin went fishing, and the difference in weight between the first two fish he caught was 0.00074 grams. Represent this in scientific notation.

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.