So, three and seven combine to make 10. Becoming good at mental math can be achieved by noticing things like this. Your mind should automatically see 43 and 17, know that 3 plus 7 equals 10. So there you have 50 plus 10 plus 27. Which is very simple to do. Your final answer will be 87.
Answer:
0.000083
Step-by-step explanation:
When you multiply by 10^-5, you're really multiplying by 0.00001. This multiplied by 8.3 is 0.000083. It also means that you just move the decimal place in 8.3 to the left five times, where you'll get the same answer.
Answer:
3 for 15
cheaper
all you have to do is divide the number of sandwiches by the money.
(i answered again because its a waste of points)
Answer
xy^2 (4th root (3x^3yz^3))
hope it helps