Plz hurry it's
what is 639.745 rounded to the tenths place?
a. 630 b. 639.7 c. 639.8 d. 640

639.745 rounded to the nearest tenths place would be :

= 639.7

The tenths place in decimals is the first digit to the right of the decimal point. For example, 15.2 is fifteen and two tenths.

639."7"45 4 isn't high enough to change the 7 to an 8 so we keep it as it is.

So the correct answer is B.

Hope this helps,

Davinia. xo

any of them that add up to 180 degrees.