7-2 Solve It!
Forget-me-not flowers from the Myosotis genus produce one of the
smallest pollen grains. Flowers from the Mirabilis genus produce one
of the largest pollen grains. How many times as long as the Myosotis
pollen grain is the Mirabilis pollen grain? How do you know?
That’s an awful
lot of digits
for such small
numbers.
Mirabilis
Myosotis
0.00025 m
0.000002 m
7-2 Lesson Quiz
1. Is the number written in scientific notation? If not, explain.
a. 0.15 3 104
b. 7.06 3 1028
c. 3.3 3 10012
2. What is 37,200,000,000 written in scientific notation?
3. What is 0.000000000065 written in scientific notation?
4. Do you UNDERSTAND? How do you order two numbers
written in scientific notation?
Answers
0420_hsm11a1se_0702.indd 420
1/8/09 7:11:52 AM
Solve It!
Lesson Quiz
About 125 times as long;
0.00025
5 125
0.000002
1. a. no, 0.15 is less than 1
b. yes
c. No, 100 is not 10.
2. 3.72 3 1010
4. The number in which 10 is
raised to the highest power is
the greater number. If the
powers are the same, then
the number with the greater
first factor is greater.
3. 6.5 3 10211
Prentice Hall Algebra 1 • Solve It/Lesson Quiz on Transparencies
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