1.

If 10y = 10000 then 5y =?

Answer»

Given, 10y = 10000 

10y = 10 × 10 × 10 × 10 

10y = 104 

If the bases are equal, then the powers should also be equal. 

⇒ y = 4

Multiply by 5 on both sides, 

5 × y = 5 × 4 

∴ 5y = 20



Discussion

No Comment Found