Evaluate and write your answer correct to two significant figures: 7² +4³ = √(60) ​

Question

Evaluate and write your answer correct to two significant figures: 7² +4³ =


`√(60)`
​

Answer 1

7^2+4^3= 113 √60= 2√15

Explanation:

7^2+4^3

49+4^3

49+64

113

√60

√4*15

√2^2*15

√2^2√15

2√15