The Underground Railroad Museum prints out 845 brochures each day. If they print out this number of brochures for 18 days, then they will print out 845 * 18 = 15,210 brochures in total.
To estimate the product of 7,298 x 67, you can round both numbers to the nearest thousand and ten. 7,298 rounded to the nearest thousand is 7,000, and 67 rounded to the nearest ten is 70. The product of these two numbers is 7,000 * 70 = 490,000. This is an estimate of the product of 7,298 x 67.
A bookshelf at the Hemingway House can hold 164 books. If you have 9 bookshelves, they can hold a total of 164 * 9 = 1,476 books.