Write these in scientific notation 300,000,000
2.25 x 10 to the power of 8
280,000,000
124 x 10 to the power of 6
2.3 x 10 to the power of 8
0.2 x 10 to the power of 9

Round to nearest tens place; 30.

Step-by-step explanation:

We are asked to explain how we can round 25.691 to the greatest place.

We can see that greatest digit of our given number is tens digit that is 2.

To round our given number to greatest place, we need to round our answer to nearest tens.

Since the one digit is 5, so we will round up our answer to nearest tenth.

Therefore, our number rounded to greatest place would be .