<span>Evaluating Expressions Using Algebra Calculator
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First go to the Algebra Calculator main page.
Type the following:
<span><span>First type the expression 2x.</span><span>Then type the @ symbol.</span><span>Then type x=3.</span></span><span>Try it now: </span><span>2x @ x=3</span>
Answer:
F
Step-by-step explanation:
1m = 100cm
0.8m = 100*0.8 = 80cm
I DONT KNOW JUST STRAT WITH THE BEGGINIG OF THE SENTENCE