1. 25

is a Response area number and would be a Response area decimal.

2. −0.07
is a Response area number and would be a Response area decimal.

3. 49
is a Response area number and would be a Response area decimal.

4. 99−−√
is a Response area number and would be a Response area decimal.

5. −0.03521...
is a Response area number and would be a Response area decimal.

6. 121−−−√
is a Response area number and would be a Response area decimal.

Repeating, Terminating, Nonterminating/Nonrepeating, Irrational, Rational

1. 25 is a terminating decimal because it ends after the decimal point.

2. −0.07 is a terminating decimal because it ends after the decimal point.

3. 49 is not a decimal, it is a whole number.

4. 99−−√ is not a decimal, it is a square root.

5. −0.03521... is a nonterminating/nonrepeating decimal because the decimal digits continue infinitely without repeating.

6. 121−−−√ is not a decimal, it is a square root.