If a = 5 and b =3 then find the value of 2a+5b
155
157
150
158
Given
a = 5 and b =3
then 2a+5b = 25+53
= (2 × 2 × 2 × 2 × 2)+(5 × 5 × 5)
= 32+125
= 157
(−15)3÷(−15)8 is equal to(a) (−15)5(b) (−15)11(c) (−5)5(d) (15)5