Question

a certain household has consumed 20 units of energy during a month. How much energy is this in Joules

Answer 1

Answer:

• 72 × 10⁶ J.

Explanation:

Given:

A certain household has consumed 20 units of energy during a month.

To find:

How much energy is this in Joules.

Solution:

We know,

• 1 unit = 1 kilowatt hour: 3.6 × 10⁶ Joule

We have,

• 20 units = ?

⇒ 20 units = 20 × 3.6 × 10⁶ J

⇒ 20 units = 72 × 10⁶ J

∴ 20 units = 72000000 Joules

Answer 2

Answer:

20 units = 20 × 3.6 × 10⁶ J

= 20 units = 72 × 10⁶ J

∴ 20 units = 72000000 Joules

hope it helps u !!