For comic relief stamford green school are taking part in a "bake off".parents are invited to come to buy cakes.150 parents attend: 70% donate £1 for their cake and the rest donate £2 for their cake. how much money is donated in total?

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]