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Is it in Scientific Notation?
Scientific Notation - Multiplication
Scientific Notation - Division
Real World Word Problems
100
3.6 x 10^6
Yes
100
(4.0 x 10^3)(2 x 10^3)
8 x 10^6
100
(6 x 10^3)/(2 x 10^1)
3 x 10^2
100

Tomorrow you plan to download songs off iTunes. The size of your download is approximately 2.5 x 10^3 MB. Last week you downloaded 5.0 x 10^6 MB. What is the total amount of storage you have used with these downloads?

5.0 x 10^6 MB + 2.5 x 10^3 MB = 5.0025 × 10^6

200
Is .45 x 10^4 in scientific notation? If not, change to scientific notation.
No but, 4.5 x 10^3 is in scientific notation.
200
(1.5 x 10^3)(9 x 10^4)
(1.5 x 10^3)(9 x 10^4) = 13.5 x 10^7 = 1.35 x 10^8
200
(6.3 x 10^7) / (3.0 x 10^2)
2.1 x 10^5
200
There are four cups of water. Each cup has 2.2 x 10^3 mL of dihydrogen monoxide. How much of dihydrogen monoxide is there in total?
2.2 x 10^3 mL * 4 = 8.8 x 10^3 mL.
300
3.0 + 10^3
3.0 x 10^3.
300
(7 x 10^7)(2 x 10^8)
14 x 10^15 = 1.4 x 10^16
300
(2.0 x 10^(-3)) / (1.0 x 10^(-4))
2 x 10^1.
300

The mass of Earth is 5.9 x 1024 kg. The mass of Pluto is 13,000,000,000,000,000,000,000kg compared to Pluto, how much greater is Earth’s mass than Pluto’s mass?

The mass of Earth is 5.887 x 1024 kg greater than the mass of Pluto. 
400
.05 x 10^6
5.0 x 10^4 is in scientific notation.
400
(5.2 x 10^6)(2 x 10^99)
10.4 x 10^105 = 1.04 x 10^106
400
(4.0 x 10^(-2)) / (2.0 x 10^4)
2.0 x 10^-6
400
Saturn has a mass of 5.683 x 10^26 kg. Earth has a mass of 5.972 x 10^24. Approximately how many times greater is Saturn's mass compared to Earth's?
About 100 times greater.
500
176 x 10^7
1.76 x 10^9
500
(a x 10^r)(b x 10^s)
ab x 10^(r+s)
500
(3 x 10^4) / (9 x 10^6)
.33333... x 10^-2 = 3.33... x 10^-3
500

The sun produces 3.8 x 1027 joules of energy per second. How much energy is produced in a year? (Note: a year is approximately 31,000,000seconds).

The sun produces 1.178 x 1035 joules of energy in a year.