Uestion 1 Give the place value of the underlined digit
a. 1235
b.2678
0.5 870
Write the numbers in expanded notation
.3456
9.4 561
. 6782
1. 7 234
9871​

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?