Evaluate \(3.0\times 10^1 - 2.8\times 10^{-1}\)leaving the answer in standard form
\(2\times 10^{-1}\)
\(2\times 10^{2}\)
\(2.972 \times 10^{1}\)
\(2.972 \times 10^{2}\)
Correct answer is C
No explanation has been provided for this answer.
In animals the main protective covering is found in the
adipose tissues
epithelial tissues
bone tissues
connective tissues
vascular tissues
Correct answer is B
No explanation has been provided for this answer.
Oil is sprayed over stagnant water in which mosquitoes breed in order to
provide landing surface for the adult
prevent larva or pupa from attaching itself to the surface
prevent the water from overheating
lubricate the larva for easy movement
provide surface for laying their eggs
Correct answer is B
No explanation has been provided for this answer.
6
7
8
9
Correct answer is C
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = 64
where 64 = 8^2
That is P is 8
If P = {3, 7, 11, 13} and Q = {2, 4, 8, 16}, which of the following is correct
\((P\cap Q)^l={2, 3, 4, 13}\)
\(n(P\cup Q)=4\)
\(P\cup Q = \emptyset\)
\(P\cap Q = \emptyset\)
Correct answer is D
No explanation has been provided for this answer.