Original 42.54 marked down 30% what is the new price

$29.78

Step-by-step explanation:

30% is written as 0.3 in decimal form.

Find the amount taken off:

$42.54 · 0.3 ≈ $12.76

Then, subtract the original price by the amount taken off

$42.54 - $12.76 = $29.78

Conclusion:

The new price is $29.78

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.