Question

compute the following question step by step please (4•9)² ​

Answer 1

this is the exact answer,please mark it as brainleast

Answer 2

Answer:

Answer is 24.01

Step-by-step explanation:

(a + b )^2 = a^2 + b^2 +2ab

(4.9)^2 = (4 + 0.9)^2

(4 + 0.9)^2 = (4)^2 + (0.9)^2 + 2(4)(0.9)

= 16 + 0.81 + 7.2

=24.01

(4.9)^2 = 24.01