Question

evaluate 13+ab,when a= 2.5 and b=3.

Answer 1

13
+
a
b
=
a
b
+
13
13
+
a
b
=
a
b
+
13
a
=
2.5
=
=
2.5
a
=
2.5
=
=
2.5
b
=
3
=
=
3
b
=
3
=
=
3

Answer= 20.5