It's 93 million.
0.186
About 93 million miles.
The sun which is approximately 93 million miles from the earth.
The nearest million to 27,643,087 is 28,000,000. To round to the nearest million, you look at the hundred-thousands place; since it's 643, which is 500 or more, you round up.
The answer is 200,000,000
There is no star that is just 3.2 million miles from the earth. The nearest star to the earth is the sun which is about 93 millions away.
93 to the nearest tens = 90
678 500 000
90
489 to the nearest 100 = 500
0
0.186 = 186/1000 = 93/500