Rewrite without decimals: Rewrite the expression without decimals.0.905×0.234 can be written as 905×234.
Multiply whole numbers: Multiply the whole numbers. 905×234=211770.
Count decimal places: Count the decimal places in the original expression. 0.905 has three decimal places.0.234 has three decimal places.Together, that's 6 decimal places.
Place decimal in product: Place the decimal in the product to find the answer.Move the decimal 6 places to the left in 211770.0.905×0.234=0.21177.