what is (- 2) to the 4 power in expanded form and standard form what is (- 7) to the 2nd power in expanded form and standard form

State if the two triangles are congruent. if they are, state how you know?

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.

If i have 20$ and i gave 5$ away how much i got