78.93 x 32.45
Calculate the product

2561.2785

Step-by-step explanation:

First you multiply 78.93 and 32.45

But ignore the decimal point "."

Just multiply 7893 and 3245

You will result with 25612785

Then add up the number of digits it is ahead of the decimal point

and move it that amount

78.93 the decimal point is 2 digits ahead thus there is two

32.45 the decimal point is 2 digits ahead thus there is two

2+2 is 4

Then move 4 digits which is 2561.2785

How this helps!

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i