Q50: Simplify the following expression. -9(3b<sup>2</sup>)<br>A) -27b<sup>2</sup><br>B) -27<br>C)
Q51: Multiply: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Multiply: A)
Q52: Write <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Write as
Q53: Simplify the following expression. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Simplify
Q54: Evaluate (-3)<sup>4</sup>.<br>A) 81<br>B) -81<br>C) -64<br>D) 64<br>E) 12
Q56: Multiply: 1(-4)(-6)<br>A) -18<br>B) 3<br>C) -10<br>D) -9<br>E) 24
Q57: Multiply: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Multiply: A)
Q58: Place the correct symbol, < or >,
Q59: Simplify: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8311/.jpg" alt="Simplify: A)
Q60: Translate the following into a variable expression.