Dot Dot Dot
Rewrite the following in standard form:
6.5393 x 104
65,393
Rewrite in scientific notation:
998.653
9.98653 x 102
Simply using rules of exponents:
4^8*4^3
4^11
Write the results in scientific notation:
(7.7"x"10^-4)/(1.1"x"01^-1)
7 x 10-3
Shoes: Americans buy more than 850,000,000 pairs of shoes each year. This is that value written in correct scientific notation.
What is 8.5 x 108 pairs of shoes?
Rewrite the following in standard form:
2.5 x 10-2
0.025
Rewrite the following in scientific notation:
7,960,000,000
7.96 x 109
Simply using rules of exponents:
(8^2)^10
820
Write the results in scientific notation:
(2.1"x"10^3)^2
4.41 x 106
Red Blood Cells: This is the thickness of a red blood cell, which is approximately 0.0003125 inches, written in scientific notation
What is 3.125 x 10-4?
Rewrite the following in standard form:
7.2658746 x 108
726,587,460
Rewrite the following in scientific notation:
0.007485
7.485 x 10-3
Simply using rules of exponents:
(7^3*7^11)/(7^21
1/7^7
Write the result in scientific notation:
(5"x"10^-3)*(3"x"10^6)
1.5 x 104
Two women are working together on a project. The first woman earns 3 x 105 dollars and the second one earns 3 x 104 dollars for the project. How much more money does the first woman earn?
10 times more
Rewrite the following in standard form:
4.5334 x 10-5
0.000045334
Rewrite the following in scientific notation:
64.3
6.43 x 101
Simply using rules of exponents:
(9x)^0y^-5
1/y^5
Write the results in scientific notation:
(5 "x" 10^-2)/(8"x" 10^-6)
6.25 x 103
Your classmate is writing a report about Alpha Centauri, the star closest to the Sun. She learns that it is 4.37 light years away from the Sun and that a light year is about 5.9×1012 miles. This is the distance from the Sun to Alpha Centauri in miles.
What is 2.5783 x 1013 miles?
Rewrite the following in standard form:
9.1187 x 100
9.1187
Rewrite the following in scientific notation:
45.668
4.5668 x 101
Simply using rules of exponents:
(7xy^3)^2*6x^4y
49x^2y^6*6x^4y
=
294x^6y^7
Write the result in scientific notation:
(4"x"10^-4)^-1
2.5 x 103
Population: California has an area of 1.56 x 105 square miles. California has a population of about 2.98 x 107 people. How many people are there per square mile?
(2.98"x"10^7"people")/(1.56"x"10^5"sq. mile")=1.91"x"10^2 "people per square mile"