Brandon says 4x800 is greater than 8x4000. renee says 4x800 is less than 8x4000.

part a
without calculating the answer, explain how to use place value strategies or the associative property to find which is greater.

part b
without calculating the answer, explain how to use relationships or basic facts to find which is less.

Grace is a 70-year old woman who paid the utility bill online for the first time. she called her bank's customer service center to make sure she had done the transaction successfully. but the voice recording repeatedly played a message that all representatives were busy, which irked grace. which factor would make grace not recommend the bank to others? a. absence of technology b. lack of accessibility c. lack of financial products d. poor reputation