A security alarm requires a four-digit code. The code can use the digits 0-9 and the digits cannot be repeated.

What is the approximate probability that the code only contains odd numbers?

a) 0.0005

b) 0.00099

c) 0.012

d) 0.02381

What is the sum of 2m + 10

Use scientific notation to estimate the number of hours in one year? 1 hour = 3,600 seconds

Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles she needs to sell to earn $100. 1.25x + 1.49 = 100 What error did Barbara make in writing the equation?

Three glasses of squash are made using cordial and water. The different mixtures are: Glass A: cordial: water = 3:22. Glass B: cordial = 1/8 of the total volume. Glass C: Cordial = 12.75% of the total volume.

If a = 42 and b = 2 then find ab

The maximum load that a crane can lift is about 39,700 pounds. What is another way to write 39,700? (300 + 90 + 7) * 10 (300 + 90 + 7) * 1.000 (3,000 + 900 + 70) * 10 (3.000 + 900 + 70) * 100

F (x) = 2/3 x - 5 what is the value f (6) ?

Convert 6 kilometers to yards

What is e+f/g in distributive property

Cylinder A has radius r and height h as shown in the diagram. Cylinder B has radius 2r and height 2h. How many times greater is the surface area of Cylinder B than the surface area of Cylinder A?