IDNLearn.com connects you with a global community of knowledgeable individuals. Join our community to receive prompt and reliable responses to your questions from experienced professionals.

A sewing machine uses 1.6kWh of electricity in one day. If electricity costs 9p per unit, what is the total cost in pence of using the sewing machine that day? Give your answer to 3 significant figures.

Sagot :

Answer:

[tex]\huge\boxed{\sf 1.6\ units = 14.4p}[/tex]

Explanation:

Since,

1 kWh = 1 unit

So,

1.6 kWh = 1.6 units

If,

1 unit = 9p

1.6 units = 9p × 1.6

1.6 units = 14.4p

[tex]\rule[225]{225}{2}[/tex]