Question

square of 299.5 using algebraic identities ​

Answer 1

Answer:

89700.25

Step-by-step explanation:

(299.5)²

= (200 + 99.5)²

= (200)² + 2×200×99.5 + (99.5)²

= 40000 + 39800 + 9900.25

= 79800 + 9900.25

= 89700.25