Answer:
3422654304.16
Step-by-step explanation:
Simplify exponents,
12^8*7.96+4
429981696*7.96+4
Multiply/divide left to right, then add/subtract.
3422654300.16+4
The answer would be 3422654304.16
Hope I helped.
21 books; 5 weeks
-5 is the answer because -5+6=1
8*40 = 320 * 2 = $640 for the 2 workers
640/2000 = 0.32
labor cost is 32% of the revenue