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Determine the sign of the product of −10.4×−78.2 . Enter + for positive or ­­­– for negative.(1 point)

The sign of the product of −10.4 × −78.2 is + for positive.

82x(-13)

The product of 82 multiplied by -13 is -1066.

Multiply −116 by 7. Write the answer as a mixed number.

The product of -116 multiplied by 7 is -812. As a mixed number, this can be expressed as -116 ÷ 7 = -16 remainder 4, so the answer as a mixed number is -16 4/7.

-1 1/6 by 7. Write the answer as a mixed number.

To multiply -1 1/6 by 7, we first need to convert the mixed number to an improper fraction.

-1 1/6 can be rewritten as -7/6.
Now, we will multiply -7/6 by 7:
-7/6 * 7 = -49/6.

To express the answer as a mixed number, we divide the numerator (-49) by the denominator (6) and obtain the quotient -8 with a remainder of 1.

Thus, the answer as a mixed number is -8 1/6.

Of the cars in a used-car lot, 25 are the color gray. 13 of the gray cars are electrically powered vehicles    What fraction of the cars on the lot are both gray and electrically powered? Leave your answer in simplified fraction form.(1 point