How many kg are equal to 325 grams

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Which number line correctly shows 0.8 + 0.3?

What else equals 42 and 30 for multiply