Bring the fraction: b/7a^2c to a denominator of 35a^3c^3

a/a-4 to a denominator of 16-a^2

Step-by-step explanation:

Given

Express the denominator as

To do this, we divide by the denominator

So, the required fraction is:

Hence:

Given

Express the denominator as

Multiply the fraction a+4/a+4

So, we have:

Apply difference of two squares to the denominator

Take the additive inverse of the numerator and denominator

Hence:

the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)