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Write 870,000,000 in standard form

The decimal point needs to move to the left as the number is larger then 10 so the power of 10 in the answer will be positive.870000000.87000000.8700000.870000.87000.8700.870.87.8.7The decimal point moves a ...
MT
Answered by Matthew T. • Maths tutor
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When do you use the subjunctive tense?

I use the acronym 'WEIRDO' to remember the main instances when you use the subjunctive. The letters stand for:Wishes e.g 'Quiero que ...'Emotions e.g 'Me alegro de que ...'Impersonal expressions e.g 'Es impr...
EM
Answered by Elizabeth M. • Spanish tutor
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1. a) What do you consider the word 'successful' to mean? b) Tell me about a time where you have encountered failure and how you dealt with this.

a) There is no set answer to this question, as success can mean different things for different people. What medical schools may be looking for is for you to relate the question to your own plans and aspirati...
AB
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Cylinder A has the volume 8π cm^3 and the height 2 cm. Cylinder B is a similar shape with a volume of 216 cm^3. i) find the linear scale factor. ii) find the surface area of cylinder B

i) Linear scale factor cubed = volume scale factor = V B /V A = 216π/8π = 27 LSF 3 =27 LSF = 3 ii) SA B = 2πr B 2 + 2πr B H B Find H and r for B H B = LSF*H A = 6 cm V B = πr B 2 H B = 216π = πr B 2 6 => ...
JK
Answered by Jacob K. • Maths tutor
4463 Views

The function f is defined as f(x) = e^(x-4). Find the inverse of f and state its domain.

Firstly, we let y=f(x) so that y=e x-4 . The aim of this question is to find the inverse of y=f(x), and in order to do that, we must rearrange the question so that x becomes the subject of the equation, whic...
RK
Answered by Rutwik K. • Maths tutor
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