The next bigger hundred is 500 .
The next smaller hundred is 400.
487 is nearer to 500 .
Answer:
C = 25.13cm
C = π d = π · 8 ≈ 25.13274cm
Answer:
When multiplying and dividing it by a negative
Step-by-step explanation:
Answer:
ab² - 9
Step-by-step explanation:
Given in the question an expression
(ab + 3)(ab - 3)
To product mentally we will use polynomial identity called
Difference of squares
<h3>a² - b² = (a+b)(a-b) </h3>
here a = ab
b = 3
(ab + 3)(ab - 3) = ab² - 3² = ab² - 9
Answer:
Step-by-step explanation:
