exam
Maths Puzzle
Numerical Ability
7+2(3x-5)=8-3(2x+1)
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exam Other Question
2x>-6 and x-4<=3
solve and graph on a number line.
Which is the number 0.0000042 in scientific notation?
A. 0.42times10^-7 B. 4.2times10^6 C. 4.2times10^-6 D.4.2times10^-5