**Weegy:** -4y = 2 y = 2/-4; y = -1/2

**User:** Simplify the following expression.

**Weegy:** May i know what the question is?

**User:** Simplify the following expression.

**Weegy:** May i know what the question is?

**User:** Simplify the following expression. 1/z^-3

**User:** Simplify the following expression.
4a^-2b

**User:**
Sarah converts the number 1,500,600 into scientific notation. She writes 1.5006 x 104. Which of the following statements is true?
Sarah is correct.
Sarah is not correct because the exponent should be 6.
Sarah is not correct because 1.5006 should be 1.5.
Sarah is not correct because the exponent should be -4.

**Weegy:** Sarah converts the number 1,500,600 into scientific notation. She writes 1.5006 x 104. Which of the following statements is true? Sarah is correct.

**User:** Why does Jocasta seek the Oracle? Select all that apply.

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