Hello Meredith,
I'm assuming you're using the Calculated question. Check the tolerance. If it is set to "0" then the answer is 7.224e23, so 7.22e23 is treated as an incorrect response.
The Calculated question accepts exponential notation, and students can provide their answer in the form 7.224e23.
I'm assuming you're using the Calculated question. Check the tolerance. If it is set to "0" then the answer is 7.224e23, so 7.22e23 is treated as an incorrect response.
The Calculated question accepts exponential notation, and students can provide their answer in the form 7.224e23.