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Depending on the student level I would accept a simple answer such as: (cannot format code) or expect a more complex answer with optimization such as sieve of Eratosthenes

WTO (originally the GATT), is an organisation, set up during the Bretton Woods Conference of August 1944, that attempts to liberalise world trade and prevent a slide to protectionism that was seen during ...

To find velocity you differentiate displacement with respect to time

Therefore ds/dt = v = (3x2)t²-(12x2)t²+7

Implying v = 6t²-24t+7

630 = 5 x 126 126 = 2 x 63 63 = 7 x 9 9 = 3 x 3 so 630 = 2 x 3² x 5 x 7

What are catalysts? They are substances that speed up the rate of reaction by providing a favourable pathway, of lower activation energy, for the reaction to proceed. A heterogeneous catalyst is one that ...