exam
Maths Puzzle
Numerical Ability
O.k the problems are:(-7)to the power of 5 times (-7) times the power of -2. It said on the worksheet to wite the product without exponents. How can you solve it?
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exam Other Question
It took three hours to row a boat 18 km against the current. The return trip with the current took 1 1/2 hours. Find the speed of the rowboat in still water.
1/3s+7/9=4/3s