1_ 210+90= 300
2_ it's prime:
[1,19]
good luck
E I think I am not sure though.
Answer:
600,000 = 6 x 10^5
Step-by-step explanation:
✅ 6 x 10^5 = 6 x 100,000 = 600,000
❌ 6 x 10^6 = 6 x 1,000,000 = 6,000,000
❌ 5 x 10^5 = 5 x 100,000 = 500,000
This answer is not near 623,453
80%, 1000-200 = 800/1000 or 80%