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प्रश्न
Solve the following problem:
Give the number of significant figures for the following.
1.89 × 10-4
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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 is accurate measurement crucial in science?
Solve the following question:
Round off the following quantity to two significant figures:
1.491 × 105 mg
Solve the following question:
Round off the following quantity to three significant figures:
1.43 cm3
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:
42,150
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
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.
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.
1.23 × 104
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
1.230 × 104
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
0.002030
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:
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.
