Roughly how many heartbeats are there in a lifetime? Express your answer in scientific notation.
Roughly how many heartbeats are there in a lifetime? Express your answer in scientific notation.
Approximately how many heartbeats are there in a lifetime? Estimate any values you need for this calculation. O 4 x 107 ○ 2x10^11 5x10 13 ○ 3 × 10^9
QUESTION 6 Perform the operation and express your answer in scientific notation. 16,000 × 0.0405 0.0003 0.05 O 432.0x 105 O 1.08 x 105 O 108 x 103 4.32x 107
How many moles is 1.964 g of calcium oxalate monohydrate, Ca(C2O4)·H2O? Report your answer in scientific notation in this form: 1.234e56.
Part C How many aluminum atoms are in 3.78 g of aluminum? Express your answer in aluminum atoms using scientific notation. ΑΣΦ A1 atoms Submit Request Answer Part D What is the mass of 4.91 x 1021 platinum atoms? Express your answer in grams of platinum. Vo ΑΣΦ Submit Request Answer
1. Express the following numbers in correct scientific notation. 0.007230 -72800 308.70 2. How many significant figures are there in the following numbers? 650.00 102200 10. 45.034 2.60 x 1022 17.2010 3. Round off the following numbers to TWO significant figures. 34.459 0.07918227 700-2 6.854 x 10- 0.729
Subtract 9.0 × 103 from 2.0 × 104 and express the answer in scientific notation.
How many yards are there in 2.5km? One yard is exactly
0.9144m. give answer in scientific notation
How many yards are there in 2.5 km ? One yard is exactly 0.9144m. Give answer in Scientific notation. 0.002286
How many moles is 0.276 g of calcium oxalate monohydrate, Ca(C2O4)·H2O? Report your answer in scientific notation in this form: 1.234e56.
With 2 significant figures and using scientific notation: a. How many square meters in an acre? b. How many square kilometers in a square mile? c. How many astronomical units in a parsec?
Write the numbers in scientific notation, specify how many significant figures: a.) 105600.0000 b.) 0.006700