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प्रश्न
Solve the following question:
Round off the following quantity to three significant figures:
42,150
उत्तर
4.22 × 104 (or 42,200)
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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 ________
State the rules for deciding significant figures.
Distinguish between accuracy and precision.
Why is accurate measurement crucial in science?
Solve the following question:
Round off the following quantity to two significant figures:
25.55 mL
Solve the following question:
Round off the following quantity to two significant figures:
0.00254 m
Solve the following question:
Round off the following quantity to two significant figures:
1.491 × 105 mg
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Round off the following quantity to three significant figures:
0.039 m
Solve the following question:
Round off the following quantity to three significant figures:
79,000 m
Solve the following question:
Round off the following quantity to three significant figures:
649.85
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 problem:
Express the following quantity in exponential terms.
70000.0
Solve the following problem:
Express the following quantity in exponential terms.
1569.00
Solve the following problem:
Give the number of significant figures for the following.
1.230 × 104
Solve the following problem:
Give the number of significant figures for the following.
0.002030
Solve the following problem:
Perform the following operation:
3.971 × 107 + 1.98 × 104
Solve the following problem:
Perform the following operation:
2.12 × 106 − 3.5 × 105
Define: Least count
Define : Least count
Define: Least count
Define : Least count
Define Least count.
Define Least count
