Find the product of 21 and (6.3 · 10^-4). a) 0.1323 · 10^-1 b) 1.323 · 10^-3 c) 1.323 · 10^-2 d) 1.323 · 10^2

To multiply numbers in standard form, we first multiply the numbers and then simplify them to standard form

To find the product of

21 and 6.3 ×

We shall first multiply

21 & 6.3

We get 21 × 6.3 = 132.3

Now converting this to a standard form we get

1.323 ×

Product of 21 & 6.3 ×

= 1.323 × ×

=1.323 ×

Option C) is the right answer

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