The decimal you put would be “two ten-millionths” if read out loud. If the allowable amount is 10 parts per billion, it would be 1 part per 100 million. Because 2 parts per 10 million is also 20 parts per 100 million, it is not not an acceptable amount
D'ou know the area of a circle?
Answer:
128
Step-by-step explanation:
7×8=56
12×6=72
56+72=128
