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secondary 4 | E Maths
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Plsss help me with these qns tho I have the answer key but I cannot comprehend the ans at all pls give me a detailed explanation on tackling these qns thxxxx
Date Posted: 4 years ago
Views: 179
(i)
k = 3² x 5 = 45
(ii)
n = 2 x 3 = 6
.
k = 3² x 5 = 45
(ii)
n = 2 x 3 = 6
.
See 1 Answer
done
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Hope this helps
Date Posted:
4 years ago
Thx for helping but I don’t get y does the equation come down to 3^2 times 5?
To make a number perfect cube. Index notation we increase prime factor to ³...
For this 600 = 2³ × 3 × 5²
Our target result = 2³ × 3³ × 5³
Compared we short of 3² × 5 which is for n.
Therefore when 600 × 45 = 27000
It perfect cube for 30.
When you ³√27000 =30.
For this 600 = 2³ × 3 × 5²
Our target result = 2³ × 3³ × 5³
Compared we short of 3² × 5 which is for n.
Therefore when 600 × 45 = 27000
It perfect cube for 30.
When you ³√27000 =30.
Same for perfect square, we make prime index notation to ²......
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