Answer:
Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form.The primary reason for converting numbers into scientific notation is to make calculations with unusually large or small numbers less cumbersome.
Step-by-step explanation:
For this you need to find the lcm of 36 and 60 = 180
therefore :
Mel needs to buy 5 packets of cups
(36*5=180cups)
and 3 packets of plates (60*3=180 plates)
Well that's easy. Just plug in the numbers: 3*(-2)+4*(5)=14. So yes the solution is correct.
Think the 3 graph would be a function the graph the the arrow going straight up.
Step-by-step explanation:
450 - 396 = 54
(54/450) * 100% = 12%
Hence the decrease is 12%.
