Questions about Checking Answer in scientific notation

Questions
1

I want to have the students click a button and then check if their answer is in the correct scientific notation. For example, [Copy of] Scientific Notation • Activity Builder by Desmos

On slide 18, I want it to say correct when the students input 2.9x10^10

2

Check out Screen 18 here: [Copy of] [Copy of] Scientific Notation • Activity Builder by Desmos

I used countNumberUsage(this.latex,2.9)=1 and countNumberUsage(this.latex,10)=2 and made sure the input’s numericValue was 29billion.

I also added a submit label so that when a student goes to enter an answer the student-facing feedback in the note temporarily disappears.

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