What is 2.35 × 0.15 equal to?

Remove the decimals from the numbers and multiply.
235 × 15 = 3,525
When multiplying two numbers with decimals, the correct decimal point location is found by adding the number of decimal places in each number. Since 2.35 has two decimal places and 0.15 also has two decimal places, the total number of decimal places in the answer is 4.
So, 3,525 becomes 0.3525.