The tax rate is 3.9%.
What is the tax on $42?
Round to the nearest hundredth.​

$43.64

Step-by-step explanation:

If the tax rate = 3.9% and the product u are buying is priced at $42

Then, the amount you will pay for the object will be,

$42 + 3.9/100 * 42

=> 42 + 0.039 * 42

=> 42 + 1.638

=> 43.638

43.638 when rounded to the nearest hundredth is,

43.64

Hope it helps :)