Answer:
18
Step-by-step explanation:
4.2 • 3= 12.60
2.7 • 2= 5.4
12.6+ 5.4=
18.0
The most basic example of the binomial theorm is the formula for the square of x + y: the binomial coefficients 1, 2, 1, appearing in this expansion correspond to the second row of Pascal's triangle
Answer:
Should be 70
Step-by-step explanation:
x is 80, so...
3.5(80) is 280
then subtract 210 which results in 70
