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Operations with Rational Numbers Skills Check

Posljednje ažuriranje over 8 years ago

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Pitanje 1

1.

- 3/8

- 1/8

1/8

3/8

Pitanje 2

2.

-15.2 + (-7.4) =

Pitanje 3

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Pitanje 4

4.

Pitanje 5

5.

Supergirl had some kryptonite with a radiation rating of -4.5 rads. She uses her super strength to combine it with some lead, which has radiation rating 7.1 rads. What is the final radiation rating of this combination?

Pitanje 6

6.

Poison Ivy had $17.34 in her account. She wrote a check for $24.86. What will her account balance be when the check is cashed?

Pitanje 7

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Pitanje 8

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Pitanje 9

9.

Batman had 93.5% in math class. He did not do well on his last test and his grade changed by -2.8%. What is his new grade?

Pitanje 10

10.

Pitanje 11

11.

Pitanje 12

12.

.6(5.7)=

Pitanje 13

13.

Supergirl had a gift card for a local movie theater. Each time she went to the movies, the balance remaining on the card decresased by $8.50. What number represents the total change in value on her card after she went to the movies 4 times?

Pitanje 14

14.

POison Ivy drank 3 glasses of ice tea. She drank a total of 30.3 ounces. How much did each glass hold?

Pitanje 15

15.

Pitanje 16

16.

Pitanje 17

17.

-0.54 / (-0.6)=

Pitanje 18

18.

Batman had to withdraw a total of $38.22 from three bank accoutns. What number represents the change in value of each bank account?