25 pts. : Directions: Complete this review of lessons 3-1 & 3-2. There are 25 questions in total. 3-1: Multiplication
600 x 60 =
50 x 50 =
1,000 x 3 =
70 x 80 =
100 x 300 =
20 x 40 =
90 x 90 =
9 x 900 =
500 x 300 =
1,000 x 5 =

3-2: Estimate
Estimate to the nearest TENS place.
36
72
89
12
33

Estimate to the nearest HUNDREDS place.
125
770
364
923
755

Estimate to the nearest THOUSANDS place.
1,332
4,566
3,098
2,222
9,873

600 x 60 = 36,000

50 x 50 = 2,500

1,000 x 3 = 3,000

70 x 80 = 5,600

100 x 300 = 30,000

20 x 40 = 800

90 x 90 = 8,100

9 x 900 = 8,100

500 x 300 = 150,000

1,000 x 5 = 5,000

125 - 100

770 - 800

364 - 400

923 - 900

755 - 800

Step-by-step explanation:

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.