Question

Estimate 0.025673819 to the nearest hundredth . Express your answer as a single-digit times a power of ten.

Answer 1

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 .

Answer 2

3 * 10^-2

Explanation:

Rounding: 0.03

3(10^-2)