Question

Round of the measurement to 3 significant figures,

1764.9 mL

and

0.007 498 3 times 10 to the 4th power

Answer 1

@ganeshie8 can you please help I'm very confused

Answer 2

you can think of 1764.9 mL to 3 significant figures as "3 digits"
so, you will first simplify to
1.7649x10^3 ml
then, since they want 3 digits,
\[1.76\times 10^3\]
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\[0.0074983=7.4983\times 10^{-3}\]
3 significant figures as "3 digits",
\[7.50\times 10^{-3}\]