Answer:
A square number is a product of a number that has multiplied itself e.g 2×2=4 so therefore 4 is a square number
An even number is a number when divided by 2 gives a whole number without a reminder e.g 10÷2=5 therefore 10 is an even number
Answer:
Iron: 280m³
Zinc: 105m³
Tungsten: 35m³
Step-by-step explanation:
8+3+1 = 12
(8/12)×420 = 280
(3/12)×420 = 105
(1/12)×420 = 35
Answer:
3-8=5
Step-by-step explanation: