Final answer:
To estimate 41.4 x 3.8, round 41.4 down to 40 and 3.8 up to 4, then multiply to get 40 x 4, which equals 160. The estimated product of 41.4 x 3.8 is therefore 160.
Step-by-step explanation:
The correct estimate for the multiplication of 41.4 by 3.8 involves rounding the numbers to get a simpler calculation that can easily be done without a calculator. To estimate 41.4 x 3.8, you can round 41.4 down to 40 and round 3.8 up to 4, because these numbers are close to each other and rounding them creates numbers that are easier to multiply.
Now multiply the rounded numbers:
- 40 (rounded from 41.4)
- x
- 4 (rounded from 3.8)
Doing this multiplication gives you:
So, the correct estimate for 41.4 x 3.8 is 160.