exam Maths Puzzle Numerical Ability

Good evening ma'am or sir will you please help on how to solve this problem involving expressions with exponents? Thank you very much.

1). The speed of light is 1.86*10^5 (a sci

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exam Other Question

i need help with the process of multipling out polynomials any help would be greatly appreciated!!!! At what point do the two lines with the equation x+3y=13 and y=3 intersect? My answer was (3,3), but i am not so sure if it is the correct answer. can you please tell me if it is? thank you