exam Maths Puzzle Numerical Ability

Simplfy 4a3n6+ 4(a3n)6= 4(an2)3. the numbers behind the variables are the exponents and the ones outside of the parenthesis.

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exam Other Question

Celsius temperature readings can be converted to Fahrenheit readings using the formula f=9/5c+32. What is the Fahrenheit temperature that corresponds to each of the following Celsius temperatures: -10,0,15,100 Town A is 5 miles east and 7miles south of town B how far apart are the two towns?