Download App

Introduction to Analytical Chemistry — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryIntroduction to Analytical Chemistry1 Mark
Question
Multiply $9.8 \times 10^{-2}$ and $2.5 \times 10^{-6}$ and express result in scientific notation.
✓

Answer

$(9.8 \times 10^{-2}) \times (2.5 \times 10^{-6}) = (9.8 \times 2.5) (10^{-2+(-6)})$
$= (9.8 \times 2.5) \times (10^{-2-6})$
$= 24.5 \times 10^{-8}$
$= 2.45 \times 10^{-7}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions:" from Introduction to Analytical Chemistry→Introduction to Analytical Chemistry — all question types→Chemistry STD 11 Science question papers→Maharashtra Board STD 11 Science question papers→Maharashtra Board question paper generator→

Similar questions

Write condensed orbital notation of electonic configuration of the following element
Element
Calcium (Z = 20)
→
Define radioactivity and give examples of two radioactive elements.
→
Write all the possible products for pyrolysis of butane.
→
What is hydrogenation?
→
Consider the graph of neutron (N) plotted against proton number (Z). How will you identify radioactive nuclides from the graph?
→
Express the following quantities in scientific notations (exponential notations).
$i. \ 0.0345$
$ii. \  0.08$
$iii. \ 653.00$
$iv. \ 34.768$
→
Why boron is classified as a metalloid?
→
Consider the following reaction:
$2 CH_3-CH_2-CH_2-OH+2 Na \rightarrow 2 CH_3-CH_2-CH_2-ONa+H_2$
Compare the structure of the substrate propanol with that of the product sodium propoxide. Which part of the substrate, the carbon skeleton or the OH group has undergone a change during the reaction?
→
Why is hydrogen studied separately even though it appears at the top of group 1?
→
Write condensed orbital notation of electonic configuration of the following element
Element
Oxygen (Z = 8)
→