Exponents
What is 4 x 103
4,000
9 x 9
81
7.5 x 3
22.5
If I run 2.3 miles every day for 5 days, how many miles will I run?
11.5 miles
98.45 - 2.3
96.15
What is the equation for 70,000
7 x 104
23 x 4
92
2.35 x 9
21.15
Shawn gets paid $2.75 for every bag of cans he recycles. If he recycles 9 bags of cans, how much money will he earn?
$24.75
9 + 2.67
11.67
What two expressions for 3 are correct:
A. 3 times 103, place 4 zeros after the 3
B. 3 times 105, place 6 zeros after the 3
C. 3 times 102, place 2 zeros after the 3
D. 3 times 105 , place 5 zeros after the 3
C & D
87 x 45
3,915
56.2 x 1.2
67.44
James ran his race in 2.3 minutes. It took Mark 3 times longer to run the race. How long did it take Mark to run the race?
6.9 minutes
If a new backpack normally costs $35 but I have a coupon to save $12.75, how much will I spend on the backpack?
$22.25
What is 8 x 107
80,000,000
684 x 25
17,100
1.28 x 2.9
3.712
If carrots are on sale for $3.24 a bag and I need to buy 3.5 bags, how much money will I pay for carrots?
$11.34
If I drive 85.43 miles today and 99.2 miles tomorrow, how many miles will I drive in total?
184.63 miles
what is 105
100,000
5,346 x 62
331,452
17.33 x 5.4
93.582
If Ashtyn bakes 12 loaves of sour dough bread to sell at her sale, and each loaf of bread calls for 3.75 cups of flour, how much flour will she use for all twelve loaves?
45 cups
Put the following numbers in order from least to greatest:
495.6 499.7 495.99 490 499.33
490, 495.6, 495.99, 499.33, 499.7