Simplify \(\frac{2.25}{0.015}\) leaving your answer in standard form
1.5 x 10-4
1.5 x 10-2
1.5 x 10-3
1.5 x 101
1.5 x 102
Correct answer is E
\(\frac{2.25}{0.015}\)
= \(\frac{2250}{15}\)
= \(150\)
= \(1.5 \times 10^{2}\)
Which of the following are the essential parts of an atomic bomb?
Uranium and neutrons
Radium and polonium
Nitrogen and neutrons
ranium and α - particles.
Correct answer is A
No explanation has been provided for this answer.
Which of the following is an autotrophic mode of nutrition?
Chemosynthesis
Saprophytism
Parasitism
Symbiosis
Commensalism
Correct answer is A
No explanation has been provided for this answer.
I only
II only
I and II only
II and III only
Correct answer is D
No explanation has been provided for this answer.
In the diagram above, QRS is a straight line, QP//RT, PRQ = 56°, ∠QPR =84° and ∠TRS = x°. Find x
28°
40°
44°
84°
124°
Correct answer is B
< PQR = 180° - (84° + 56°)
= 40°
\(\therefore\) x = 40° (corresponding angles QP// RT)
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