from the sum of 
and 
.
Q79: Write the number in expanded form. <img
Q80: Simplify. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Simplify. A)
Q81: Write the number in expanded form. <img
Q82: Multiply. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Multiply. A)
Q83: Divide. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Divide. " class="answers-bank-image
Q85: Multiply. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Multiply. A)
Q86: Perform the indicated operations. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Perform
Q87: Simplify the expression, and write your answer
Q88: Multiply. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8806/.jpg" alt="Multiply. A)
Q89: Write the number in scientific notation. <img