Write 0.0002507 in scientific notation.

2,507 x 10-7

2.507 x 10-4

2.507 x 104

2,507 x 107

The physics scores of 200 students follow a normal distribution with a mean of 75 and a standard deviation of 7. Which conclusion is best supported by this information?

Use distributive property 5 (6+b) * Your answer

georgia kassem installs fencing. she is paid 7.50 per hour for an 8 hour day and time and a half for overtime for any work over 8 hours per day. what is her pay for a week when she worked 7,12,9,10 and 10 hours

Juanito estimated that 31% of 517 is 204. Is his estimate reasonable? A. No, because his calculation should be 30% of 520. B. No, because his calculation should be 40% of 520. C. Yes, because his calculation should be 30% of 510. D.

The critical angle of refraction for calcite is 68.4 when it forms a boundary with water. Use this information to determine the speed of light in Calcite. Assume the refractive index of water, 1.333, is less than the refractive index of calcite.

Identify the percent of change as an increase or a decrease. 54 to 38v=

12 Marc bought a new laptop for $1250. He kept track of the value of the laptop over the next three years, as shown in the table below.

What is the least common denominator for 3/4 and 4/6

Which of following decimals is the closest aproxímate valué of 35? A) 5.9159 B) 5.9160 C) 5.9161 D) 5.9162

Write and solve a real-world problem that can be modeled by the equation 0.75 - 18.50 = 0.65x