Answer:
Step-by-step explanation:
We have bee a number 0.037854921. We are asked to estimate the number to the nearest hundredth and and express answer as a single digit times a power of 10.
Round to nearest hundredth (two decimals after decimal):
(Thousandths digit is greater than 5; round up)
Now, we will write 0.04 as a fraction.
Write 100 as a power of 10:
Using exponent rule , we will get:
Therefore, our required number in scientific notation would be .
