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What is the value of an investment of £4500 with compound interest of 1.3% after six years?

We solve this by multiplying the starting value, £4500 , by 1 + {the interest rate expressed as a decimal} , or in this case, 1 + 0.013 . This gives us £4500 x 1.013⁶ and when we type this into...

Answered by Mark C. • Maths tutor

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Describe the process of saprophytic nutrition in soil microorganisms

Enzymes are secreted by the microorganisms and extracellular digestion takes place as the enzymes break down any complimentary substrate. Next, the products of this digestion are absorbed into the microor...

Answered by Mark C. • Biology tutor

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Describe the bonding present in a piece of sodium metal.

A lattice of positive sodium ions with a sea of delocalised electrons distributed around them. The metallic bond consists of the electrostatic force of attracion between the positively charged sodium atom...

Answered by Mark C. • Chemistry tutor

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Explain the difference between speed and velocity.

Speed is the rate of change in direction, whereas velocity is the rate of change in displacement. This means that an object's velocity has an associated direction whereas its speed doesn't.If a car travel...

Answered by Mark C. • Physics tutor

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