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N = 2a + b. a is a 2 digit square number, b is a 2 digit cube number. What is the smallest possible value of N?

First, the smallest values of a and b must be found and then substituted into the equation for N.

To find a.

A square number is a number that is the result of multiplying an...

OG
Answered by Oliver G. Maths tutor
3604 Views

Work out the value of 125 to the power of -2/3.

We want to find 125-2/3. To do this, we will need to use lots of power rules that we have learnt.

Firstly, when we put a power to another power, we multiply the two powers. For...

JR
Answered by Joe R. Maths tutor
36898 Views

What is a pathogen?

A pathogen is a microorganism that causes a disease. Pathogens spread communicable diseases meaning that they are transmitted person to person and are infectious.
Types of pathogens include bacteria,...

FD
Answered by Francesca D. Biology tutor
23986 Views

How can bacteria become resistant to antibiotics and how can doctors reduce the number of bacteria that become resistant?

-A mutation in a pathogen may produce a new strain. This new strain may become resistant to an antibiotic through natural selection. The new strain ma...

HC
Answered by Helen C. Biology tutor
15869 Views

Why can metal conduct electricity and heat?

Conduction is possible as delocalised (free) electrons are able to carry a charge and move through the metal.

BH
Answered by Bertie H. Chemistry tutor
7029 Views

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