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How do you write 2,764,000 in standard form?

First put in columns for units, tens, and hundreds. Then count the number of postions between the decimal point and the first digit ( on the left). H|T|U 2 7 6 4 0 0 0 6 5 4 3 2 1 This is number the power of...
HG
Answered by Henry G. • Maths tutor
4279 Views

Why do I keep getting the wrong answer when tackling percentage change questions?

Percentage change isn't always as simple as you think. Whilst taking into consideration if it is a percentage increase or decrease, you also need to consider whether you're calculating a result before or aft...
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Answered by Emma S. • Maths tutor
3369 Views

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For English B the questions take on the form of reading and writing exercises - thus it is extremely difficult for me to come up with a "question" per se - the way of tutoring for English B that I ...
AL
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The probability of obtaining heads on a biased coin is 0.4. The coin is tossed 600 times. Write down the mean number of heads and the standard deviation of the number of heads.

The distribution of heads on a biased coin will be binomial - there are only two possible outcomes for a given throw (disregarding the coin standing upright after a toss). Thus X ~ B(600, 0.4) - where X is t...
AL
Answered by Aleksander L. • Maths tutor
17272 Views

With reference to a poverty trap (poverty cycle), explain how “investing in human development is crucial to ... reducing poverty”

A poverty trap is a vicious cycle that can be observed in poorer societies or poorer members of rich societies. It is caused by lack of capital - this includes natural capital, human capital, and actual capi...
AL
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