Question

Answer 1

a) \(25.23 − 32 + 125 = 25.8 – 9 + 125 = 316.\)

b) \(2.32 + 5.(2 + 3) = 2.9+5.5 = 43.\)
 

Answer 2

a: \(25\cdot2^3-3^2+125\)

\(=25\cdot8-9+125\)

=200+116

=316

b: \(2\cdot3^2+5\left(2+3\right)\)

\(=2\cdot9+5\cdot5\)

=18+25=43

Answer 3

\(a,25.2^3-3^2+125\)
\(=25.8-9+125\)
\(=200-9+125\)
\(=191+125\)
\(=316\)
\(b,2.3^2+5.\left(2+3\right)\)
\(=2.9+5.5\)
\(=18+25\)
\(=43\)