Dividing
Multiplying
Multiplying Rational Numbers
Order of Operations
100

[-9] ÷ [-3]

3

100

-1 1/2 x 1/3

1/2

100

5.2[-0.6]

-3.12

100

[-4]4

256

200

[-18] ÷ [-2]

9

200

-11[5]

-55

200

-1.25[-2.5]

3.125

200

-24

-16

300

-5 2/3 ÷ [4]

1 5/12

300

-6[-15]

90

300

-14.9[1.2]

-17.88

300

[-2+5]3+[1+2]

30

400

3/5 ÷ [- 7/10]

- 6/7

400

-80[24]

-1920

400

-0.7[-0.1]

0.07

400

[-2+3]2-8

-7

500

a/b ÷ c/d

ab/bc

500

-2[-3][-5][-10]

300

500

During a drought the water level in the pond  decreased by 2.6 centimeters each week. This continued for 4.5 weeks.write a multiplication equation that represent the total change in water depth over the past 4.5 weeks and the answer of the equation.


The equation is -2.6×4.5= -11.7cm


500

-20 [2+2] - 10

-90

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