Answer C because it's more level with the dots.
Answer:2/6
Step-by-step explanation:
Hi , basically when we want to use negative numbers in real world problems , we should always put words like decrease , drops , less , because those words describe an explicit situation that describes subtraction , for example Ana is playing soccer with her friends , her score is less than 0 because she has been trying to mark a goal but she is unable to do it . The score of Ana is -5 , the score of her friend is -2 .
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Answer: b) 4lb
Step-by-step explanation:
Answer:
2.5 days.
Step-by-step explanation:
The number of half lives is n where
12800(0.5)^n = 800
12800(0.5)^4 = 800
so n = 4
So the half life is 10/4
= 2.5 days.
