For some time, Joanne has relied on a calculator to multiply. She just realized that the \(8\) button on her calculator is broken.
Determine a method for Joanne to use her broken calculator to determine the value of \(82 \times 816\).
Suppose both the \(8\) button and the \(4\) button were broken. Could Joanne still use her calculator to determine the product in part (a)?
Theme: Number Sense