Diagnostic Test - Module 1

Quiz by Aurora J. Ramos

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- Q1
Evaluate 4.5 x 10

^{7}- 2.8 x 10^{8 }2.35 x 10

^{7}2.3 x 10

^{8}-2.35 x 10

^{8}2.3 x10

^{7}30s - Q2
Determine the position of the darts in terms of accuracy and precision.

low accuracy, low precision

low accuracy, high precision

high accuracy, high precision

high accuracy, low precision

30s - Q3
How many significant digits are there in 0.000231

5

6

3

4

30s - Q4
Which of the following sets of measurement the value with good accuracy?

20.2ml, 20.5 ml, 20.3 ml 20.1 ml

19.3ml, 19.2 ml, 18.6 ml, 18.7 ml

18.8ml, 19.0 ml, 19.2 ml, 18.8 ml.

18.6ml, 17.6 ml, 19.6 ml, 17.2 ml

30s - Q5
1. The prefixes above are added to the following base units EXCEPT

liter

meter

pounds

grams

30s - Q6
KOI-456.04, the most Earth-like planetthat astronomers had found, is 283 820 000 000 000 000 000 km away from Earth.How should this distance be written in standard scientific notation?

283. 82 x10

^{+18}km283. 82 x10

^{-18}km2.8382 x10

^{+20}km283. 82 x10

^{18}km30s - Q7
Rachelle bought a piece of land that has a length of 2 x10

^{2}meters and width of 7 x10^{2 }meters. What is the area of the land that Rachelle bought?1.4 x10

^{3 }m^{2}1.4 x10

^{4 }m^{2}1.4 x10

^{2 }m^{2}1.4 x10

^{5 }m^{2}30s