1.
The rule for multiplying by powers of 10 states that if the exponent of the 10 is positive, then you move the decimal point __________.
A.
to the right by the number of spaces as the number in the exponent minus 1
B.
to the right by the same number of spaces as the number in the exponent
C.
to the right by the number of spaces as the number in the exponent plus 1
D.
to the left by the same number of spaces as the number in the exponent
Hint
2.
Express 23,600,000 in scientific notation.
A.
23.6 × 10
6
B.
236 × 10
5
C.
0.236 × 10
8
D.
2.36 × 10
7
Hint
3.
The speed of light is about 3 × 10
8
meters per second. How far would a beam of light travel in 5 seconds? Express the answer in scientific notation.
A.
1.5 × 10
5
m
B.
1.5 × 10
9
m
C.
1.5 × 10
10
m
D.
1.5 × 10
6
m
Hint
4.
Express 5 gigabytes in scientific notation.
A.
5 × 10
6
bytes
B.
5 × 10
-6
bytes
C.
5 × 10
9
bytes
D.
5 × 10
-9
bytes
Hint
5.
Express 8 micrograms in scientific notation.
A.
8 × 10
9
grams
B.
8 × 10
6
grams
C.
8 × 10
-9
grams
D.
8 × 10
-6
grams
Hint