Are parenthesese necessary in the

  1. Are parenthesese necessary in the expression 2+(3 x 5)?Are parenthesese necessary in the expression (2+3)x5? can you explain?
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    2. Cindy asked by Cindy
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  2. I am doing the amount of permutations in the word trigonometry. For the expression, I wrote 12!/2!2!2!. I got 968003200. Is this
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    2. Caleb asked by Caleb
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  3. Can some kind soul please assist me with this question? :)Simplify the expression. Use only positive exponents: (4p^2q)(p^2q^3)
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    2. Elizabeth asked by Elizabeth
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