Question

If 5 kg of salt contains 7 × 10 raise to the power of 7 crystals, the number of crystals in 7 kg of salt is

Answer 1

Answer:

Step-by-step explanation:

5kg of salt = 7 × 10^7

1kg of salt = 7 × 10^7/5

7kg of salt = 7 × 10^7 × 7/5

7kg of salt = 49 × 10^7/5

                 = 9.8 × 10^7 crystals