Question

Evaluate

1+13⋅2+5^2−3+15−3

Answer 1

soln

given that

=1+13.2+5^2-3+15-3

from

=1+13.2+25-3+15-3

=1+13.2+25+15-3-3

=14.2+40-9

=54.2-9

=45.2