1.
Simplify
.
A.
-2
a
4
c
2
B.
-2
a
4
b
4
c
2
C.
D.
-2
c
2
Hint
2.
A tiny virus has a width of 10
-6
millimeter. How many of the tiny viruses could fit across the head of a pin 1 millimeter in diameter?
A.
10
6
B.
10
-6
C.
1
6
D.
-6
1
Hint
3.
Write 4
-8
using positive exponents.
A.
8
4
B.
4
8
C.
D.
Hint
4.
Simplify the expression
A.
B.
C.
D.
Hint
5.
The distance around the equator of Jupiter is approximately
4.49 × 10
8
m, and a normal football field is about 1.1 × 10
2
m long. About how many football fields could fit lengthwise across Jupiter's equator?
A.
408 football fields
B.
408,000 football fields
C.
4,080,000 football fields
D.
40,800,000,000 football fields
Hint