exam
Maths Puzzle
Numerical Ability
how do I know if I need to have a positive number or a negitive ( im doing negitive exponents )
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exam Other Question
The number of recreational visits to national parks in the us increases by about 9.3 million visits each year. in 1990 there were about 263 million visits.
a. write an equation to
(y^7/z^9)^8