Scientific Notation
Write 8.38 x 10-4 in standard form.
0.000838
6 × (8 − 3 + 5) ÷ 10
6
You can buy 5 cans of green beans at the Village Market for $3.70. You can buy 10 of the same cans of beans at Sam's Club for $6.70. Which place is the better buy?
Sam's Club
s - 2.4 = 6.8
9.2
15 − ( - 5 ) =
20
Write 1.457 x 103
in Standard form
1457
(10 ÷ 2) × 7 + 5 − 4
36
The bakers at Healthy Bakery can make 300 bagels in 2 hours. How many bagels can they bake in 16 hours? What was that rate per hour?
2400 bagels
150 bagels/hour
- 4.7 r = - 42.3
9
( - 12 ) +3 =
-9
Write 7900600000 in scientific notation.
7.9006 x 109
10 − 6 × 5 ÷ (2 + 4)
5
A ferris wheel can accommodate 75 people in 15 minutes. How many people could ride the ferris wheel in 4 hours?
1200 people
33.6 = 2.8c
12
( - 6 ) + ( - 14 ) =
-20
Write 7.1133 x 10-9 in standard form.
0.00000000711330
8 ÷ (7 − 3) × (4 + 6)
20
An ice cream factory makes 310 quarts of ice cream in 2 hours. How many quarts could be made in 12 hours? What was that rate per day?
1860 quarts
3720 quarts/day
- 4 = - 2.9 + a
-1.1
14 + ( - 8 ) =
6
Write 0.000009840 in scientific notation.
9.84 x 10-6
((10 − 6 + 5) ÷ 9) × 2
2
A jet travels 520 miles in 5 hours. At this rate, how far could the jet fly in 10 hours? What is the rate of speed of the jet?
1040 miles
104 mph
- 6.5 = k + 3.2
-9.7
13 − ( - 16 ) =
29