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प्रश्न
Solve the following question:
Round off the following quantity to three significant figures:
649.85
उत्तर
6.50 × 102
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संबंधित प्रश्न
Choose the correct option:
The number of significant figures in 1.50 × 104 g is __________
Choose the correct option:
In Avogadro’s constant 6.022 × 1023 mol-1, the number of significant figures is ________
Distinguish between accuracy and precision.
Solve the following question:
Round off the following quantity to two significant figures:
25.55 mL
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Round off the following quantity to two significant figures:
0.00254 m
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Round off the following quantity to three significant figures:
0.039 m
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Round off the following quantity to three significant figures:
0.0179 g
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Round off the following quantity to three significant figures:
79,000 m
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Round off the following quantity to three significant figures:
42,150
Solve the following question:
Round off the following quantity to three significant figures:
23,642,000 mm
Solve the following question:
Round off the following quantity to three significant figures:
0.0041962 kg
Express the following sum to the appropriate number of significant figures:
2.3 × 103 mL + 4.22 × 104 mL + 9.04 × 103 mL + 8.71 × 105 mL
Solve the following question:
Express the following sum to the appropriate number of significant figures:
319.5 g − 20460 g − 0.0639 g − 45.642 g − 4.173 g
Solve the following problem:
Express the following quantity in exponential terms.
0.0003498
Solve the following problem:
Express the following quantity in exponential terms.
235.4678
Solve the following problem:
Express the following quantity in exponential terms.
70000.0
Solve the following problem:
Give the number of significant figures for the following.
1.89 × 10-4
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
0.002030
Solve the following problem:
Write the following in exponential notation:
0.00461
Solve the following problem:
Perform the following operation:
3.971 × 107 + 1.98 × 104
Solve the following problem:
Perform the following operation:
1.05 × 10−4 − 9.7 × 10−5
Solve the following problem:
Perform the following operation:
4.11 × 10−3 + 8.1 ×10−4
Define : Least count
Define Least count.
Define Least count.
Define Least count
Define: Least count
