Assessment 3 Review Scientific Notation
Name______________________________
1) 6.8 x
2) 4.23 x
+ 4.2 x
3)
4) (3.6 x
- 0.000036
)(4.8 x
)
Express the following in scientific notation:
5) 63,002,000
6) 48,000,300,000,000
7) 0.00000000462
Express the following in standard notation:
8) 9.63 x
9) 2.86 x
10) 8.35 x
Answer the following:
11) Steve was converting the number 0.00000526 in scientific notation and wrote 52.6 x
correct? Explain your reasoning.
. Is he
12) Amber was converting the number 63,000,000 into scientific notation and got 6.3 x
correct? Explain your reasoning.
. Is she
13) A single caviar egg weighs approximately 0.00042 ounces, and the company that supplies them can
bring in approximately 8.9 x
eggs per year. Based on these estimates, how many ounces does the
total yearly product weigh?
14) The distance from the sun to the Mars is approximately 141,600,000 miles. Estimate this distance as
a single digit to a power of 10.
15) The distance from the electron to the proton in a nitrogen atom is approximately 0.0000000003146
meters. Estimate this distance as a single digit to a power of 10.
16) A teacher asked the class to estimate the length of their desk. Reba said 3.2 x
meters, Mark said
5.6 x
millimeters, William said 1.3 x
centimeters, and Joy said 8.3 x
kilometers. Who is
closest?
17) 1
a. Name the planets (including Pluto) in order from greatest to smallest
b. Comparing only diameters, about how many times larger is Saturn than Earth? (round and estimate)
c. Again, comparing only diameters, find out about how many times larger Saturn is compared to
Neptune. (round and estimate)
18) The circumference of Venus is 37,994,000 miles. The circumference of Pluto is
7,222,000 miles. What is the difference in circumference? Express your answer in scientific notation.