Hi there!
Ok i would love to answer you but do you have answer choices, or the other part of the question or a image?
~Jada
Answer:
127 inches
Step-by-step explanation:
A single yard is equal to 3 feet. So one yard 1 foot and 9 inches is:
and 9 inches.
each feet has 12 inches, so it goes something like this:
inches
multiply it out:
Thats the total number of inches, now we divide by 3 (use long division:
Hope this helps!
2 or 3 I would say... hope that helps : )
Answer:
60.5 milligrams per square centimeter First, determine how many half lives have expired by dividing the time by the half-life. So: 55/20 = 2.75 That means that only 2^(-2.75) = 0.148650889 = 14.8650889% of the original substance remains. So just divide the amount remaining by 0.148650889 to get the original amount. 9 / 0.148650889 = 60.5445419 So originally, there was 60.5 milligrams per square centimeter 55 years ago.
Answer:
2
Step-by-step explanation:
8 x 2 = 16
4 x 2 = 8
