Answer:
Its C i think
Step-by-step explanation:
20,000 bc 5 multipled by 4000 which is about 4,257 is 20,000 which gives you a estimation
Step-by-step explanation:
Step-by-step explanation:
Expand: 4.2×5.1×x+4.2×6.8
4.2×5.1×x to (21.42)x
Simplify: 21.42x+4.2×6.8
4.2×6.8 = 28.5628.56
21.42x+28.56