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This is a SAMPLE test for Grade: 7, Subject: Math |
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Test Topic(s):
Multiplication and divison of numbers written in Scientific Nota |
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| Question 1:
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| (1.4 × 106) × (1.2 × 103) = __?__ |
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| Question 2:
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| (4.5×105) ÷ (1.5×103) = __?__ |
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| Question 3:
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| (2 × 103)(3 × 104) = __?__ |
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| Question 4:
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| The smallest known star in the universe is OGLE-TR-122b. It has a diameter of 8.29 × 103 km. The largest known star in the universe, VY Canis Majoris, is about 1.67 × 105 times larger than OGLE-TR-122b. What is the diameter of VY Canis Majoris? |
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| Question 5:
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| There are 3.2×108 virus in a sample vile. How many total number of virus will there be in 5,000 such vile? |
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| Question 6:
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 = __?__ |
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| Question 7:
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Find the quotient.
360,000,000 ÷ 0.0008 |
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| Question 8:
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| Size of a Helium atom is 62 pico meter. If 105 Helium atoms are placed in a straight line, how long line will it make? (1 pico meter = 10−12 meter) |
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| Question 9:
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| Weight of a Hydrogen atom is 1.66 × 10−27 kg. How many Hydrogen atoms are there in a container that has 8.3 × 10−3 kg of Hydrogen? |
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| Question 10:
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| (2 × 10 -3) (2 × 108) = __?__ |
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