17.
The circumference of Earth at the
p.22
equator is 24,902.4 miles. Which
expression represents this in
18.
Which number(s) below are
scientific notation?
written in scientific notation?
20.
19.
The thickness of a penny is
about .
Write this number in standard
form.
22.
21.
A calculator display showed 4.5E4.
A calculator display showed 3E6.
Write this number in:
Write this number in:
Scientific
Scientific
Notation _______________________________
Notation _______________________________
Standard Form __________________________
Standard Form __________________________
"Remembering"
24.
Graph both equations.
23.
What is the surface area of
y
y = 2x 5
the roll of paper towel
(ignore the hole)?
1
y = x
S.A. = 2πr
+ 2πrh
2
2
x
Where do the
two graphs
intersect?