What is the value of 0.1561 rounded to the nearest tenth?

The nearest tenth is the number directly right to the decimal

0 : ones
.  : decimal point
1 : tenths
5 : hundredths
6 : thousandths
1 : ten- thousandths.

Find the nearest tenths. The unit next to tenths is hundredths.

Digits 5 and greater, round up, digits 4 and lower, round down.

The digit in the hundredths place is 5, and so you round up.

0.1561 rounded to nearest tenth is 0.2

0.2 is your answer

hope this helps

the image of (6, 9) under a dilation is (4, 6). the scale factor is

b. 2/3