106 Chapter 4 pages 117–118 for exercise sets.1.The radius at the equator of the Sun is about 4.3 105 miles.
Part A
Write the radius of the Sun
in standard notation.Test-Taking Tips
- Reread the item.
- Use the Test-Prep strategy.
- Apply appropriate rules,
definitions, properties, or
strategies. - Analyze your answers.
Item 1 is partially worked out for you.Solve. Make notes to help organize your thinking.
Read the test item for a general idea of the problem.- Reread the item.
- Make notes about the steps you must complete.
1.Write the radius of the Sun in standard notation.
2.Find the radius of Jupiter.
3.Write the radius of Jupiter in standard notation
and in scientific notation.
Solve the problem.- Apply appropriate rules, definitions, and properties.
To solve Part A, apply the rules for
rewriting numbers in standard notation.
To solve Part B, apply the rules
for multiplying fractions.2.The table shows the change in four stock
prices during a single day.Part A
Which stock had the greatest change from
opening to closing price? Explain.
Part B
Stock B started the day at $20 a share. An
investor bought 50 shares of Stock B at its
price at the end of the day. How much did
the investor pay in all for the shares?
Show all your work.StockPrice Change from
Opening to Closing
($)
A 1.25
B 0.40
C 1.00
D 3.00Part B
The radius at the equator of Jupiter is about
the radius of the Sun. Write the radius of Jupiter
in standard notation and in scientific notation.
Show all your work.1
10Check your work. Review your notes.
Make sure you have completed all parts of the items.
- Analyze your answers. Do they make sense?
Work backwards from the radius of Jupiter to find the
radius of the Sun.
3.The speed of light is 1.86 105 miles per second. If Earth is
92,900,000 miles from the Sun, about how long does it take
light energy to travel from the Sun to Earth? Write your
answer in standard notation and in scientific notation.