All prime numbers less than ten are arranged in descending order to form a number.

PREVIOUSLY << WITHOUT USING MATHEMATICAL TABLES OR A CALCULATOR, EVALUATE;

​All prime numbers less than ten are arranged in descending order to form a number.

​(a) Write down the number formed. (1 mark)

\[\large 7532\]

Note that;

1. a prime number is a number that has only two factors. That is 1 and itself
2. 1 and 0 are not prime numbers.
3. The numbers must be arranged in a descending order (from the largest to the smallest)

​b) State the total value of the second digit in the number formed in (a) above. (1 mark)

\[\large 500\]

Note that;

1. the required response is the total value, not place value

More questions on;

1. Prime numbers

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