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evaluate the expression 34 ÷ (14 − 5) × 2.
what is the value of the expression 52 + 22?

what is the value of the expression shown below?

3 + (2 + 8)2 ÷ 4 × 1 over 2 to the power of 4

How do you write something in scientific notation?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?