You can use 2*8 to find 4*8 by solving 2*8, then multiplying it by 2. This is equivalent to 4*8, or 32.
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since 4 is 2 times 2 just double 7 twice: 7 doubled = 14 and then 14 double = 28
To find the perimeter, find 2 times the length and add 2 times the width. 2(3) + 2(4) = ? 6 + 8 = 14 inches
4 times 7 = 28 2( 4 times 7 ) = 2 times 28 = 56. I hoped I helped. XOXO W T F you don't know :(
When you use BEDMAS. 2*2=4 4+2=6
To find the answer, one does 4x4 to get your 4 squared. Then times that by 2. Then times that 4 times. It should look like this: (42x2)4 (16x2)4 (32)4 32x32x32x32 1,048,576