An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20 cm.
2 answers:
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Answer:
1.
Option d is correct
2.
Option c is correct
3.
Option a is correct
4.
Option d is correct
5.
Option c is correct
Explanation:
Using exponent rule:
1.
Given the expression:
Apply the exponent rules:
Therefore, the value of the given expression is, .
2.
To find the value of the expression
then;
Therefore, the value of the given expression is, .
3.
Find the the value of the expression
then;
Simplify:
Therefore, the value of the given expression is, .
4.
Given the expression:
we can write this as:
Apply the exponent rules:
On comparing both sides we have;
K = 3
Therefore, the value of K is, 3
5.
Given the expression:
we can write this as:
Apply the exponent rules:
On comparing both sides we have;
N = 4
Therefore, the value of N is, -4