Conversions
How do we write 4 x 103 in standard form?
4,000
3 x 105 + 2 x 105
(answer should be in scientific notation)
6 x 105
(3 x 103) (2 x 102)
(answer should be in scientific notation)
6 x 105
A small bat can eat up to 2.04 x 104 mosquitos in 20 hours. How many mosquitos is this, written in standard form?
20,400 mosquitos!
Solve for x.
12x = 24
x = 2
How do we write 53,210,000 in scientific notation?
5.321 x 107
8.2 x 106 - 3.1 x 104
(answer should be in scientific notation)
8.169 x 106
(12 x 107) / (3 x 103)
(answer should be in scientific notation)
4 x 104
WILDCARD! Where did I teach before Schenectady?
Vermont!
What is the mathematical word for flipping a shape over an axis?
Reflection
How do we write 8.459 x 10-7 in standard form?
.0000008459
WILD CARD! What does the www in a website URL stand for?
world wide web
(3.48 x 103) (9.8 x 104)
(answer should be in scientific notation)
3.41 x 108
Tanya takes 2.3 x 104 steps during a long distance run. Each step covers 780 mm. What is the total distance that Tanya covered in her run?
(answer should be written in scientific notation)
1.794 x 107mm
A square has a side length of 4 meters. The square is then dilated by a scale factor of 5. How long is the square's side length now?
20meters
How do we write 0.000072 in scientific notation?
7.2 x 10-5
3.32 x 10-1 + 4.999 x 104
(answer should be in scientific notation)
5.0232 x 10
(7.1 x 106) / (8.2 x 101)
(answer should be in scientific notation)
8.659 x 104
The bank starts the day with 2.81 x 104 dollars. At the end of the day, they have 3.5 x 105 dollars. How much more money does the bank have at the end of the day than at the beginning of the day?
(answer should be written in scientific notation)
3.219 x 105 more dollars at the end of the day than in the morning.
y = 3/2x - 20
slope: 3/2
y-intercept: -20
Which number is the largest?
4.3 x 103
7.9 x 10-5
2.2 x 108
(answer should be written in scientific notation)
2.2 x 108
2.74 x 10-1 - 6.53 x 10-4
(answer should be written in scientific notation)
2.73347 x 10-1
(7.1 x 10-5) (6.7 x 10-6)
(answer should be written in scientific notation)
4.757 x 10-10
Tasha makes 5.5 x 104 dollars in 3.65 x 102 days. How much money (on average) does she make per day? Round your answer to the nearest dollar and keep it in standard form!
$151/day
How would we write the equation of a horizontal line with a y-intercept of 10?
y = 10