When performing calculations on numbers written in scientific notation (such as 1.23 x 10^), use the EE or EXP key on your calculator to enter the power of ten. The order of operations is to multiply items in the numerator first. Then, if a single item is present in the denominator, simply divide by it. If two items in the denominator are multiplied together, it is improper to divide by the first and multiply by the second. Instead, you can divide by the first and then divide the result by the second. Alternately, you can divide by one times the other if they are put inside parentheses. (7.637x10') (2.795x 10) 7.574x1020 When performing calculations involving powers of ten, use the EE or EXP key on your calculator to enter the power of ten. Do not use the 10% key. Submit When performing calculations on numbers written in scientific notation (such as 1.23 x 10), which key on your calculator should be used to enter the power of ten? the 10% key the EE or EXP key Submit Perform the calculation