Dp1 Assessment 1 - Groups
1.
3
Let m = 6.0 102 and n = 2.4 10 .
k
Express each of the following in the form a 10 , where 1 a < 10 and k
(a)
m2n;
(b)
m
n .
.
(Total 6 marks)
2.
2
The diagram shows the graph of y = x 4x 21. The graph crosses the x-axis at

Write the linear equation of the young man who after two
years owed $15,300 on his car and after 4 years owed $7800.
If he put no money down, how much did he pay for the car?
When did he finish paying for the car?
Money Owed
EQUATION OF
Years
start
19,050

A Trip to Wendys
I took my whole family to Wendys! It was a great trip. Yay! We had saved up enough money to buy a
few of their very delicious sandwiches. One of the sandwiches that I bought was a single with cheese!
Yummy in my tummy! I noticed a couple