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What is 10x10,20x90,30x30,and 40x40
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18 votes
What is 10x10,20x90,30x30,and 40x40

User Wasmoo
by
3.6k points

2 Answers

3 votes

Answer:

100

1800

900

1600

Explanation:

Easy way to solve :

remove the 0's eg

20*90 -> 2*9 = 18

then add the 0's back on

1800

User Dpq
by
3.4k points
11 votes

Answer:

See below ↓↓↓↓

Explanation:

  1. 10 x 10 = 100
  2. 20 x 90 = 1800
  3. 30 x 30 = 900
  4. 40 x 40 = 1600
User NLR
by
3.6k points
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