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प्रश्न
Solve the following problem:
Give the number of significant figures for the following.
1.23 × 104
उत्तर
3
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संबंधित प्रश्न
Choose the correct option:
In Avogadro’s constant 6.022 × 1023 mol-1, the number of significant figures is ________
What do you mean by significant figures?
Distinguish between accuracy and precision.
Why there is a need of rounding off figures during calculation?
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:
199 g
Solve the following question:
Round off the following quantity to three significant figures:
458 × 102 cm
Solve the following question:
Round off the following quantity to three significant figures:
643 cm2
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:
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
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 given quantity with or without exponents as the case may be.
1.89 × 10-4
Solve the following problem:
Write the following in exponential notation:
3,672,199
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:
2.12 × 106 − 3.5 × 105
Define Least count.
Define: Least count
Define : Least count
Define: Least count
Define Least count.
Define: Least count
