Using the numbers 8, 6, 4, and 2 write an expression that equals 7.
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Using all numbers:
1. (84:2):6=7; {here 84:2=42, 42:6=7}
2. 8-(6-4):2=7; {here 6-4=2, 2:2=1, 8-1=7}
3. (8:2):4+6=7; {here 8:2=4, 4:4=1, 1+6=7}
4. (8:4):2+6; {here 8:4=2, 2:2=1, 1+6=7}
Using not all numbers:
1. (8+6):2=7; {here 8+6=14, 14:2=7}
2. 6:2+4=7; {here 6:2=3, 3+4=7}
3. 42:6=7;
4. 28:4=7.
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The answer is 864cmsquared
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side length2 = y
2x + 2y = perimeter
2(4x) + 2(4)y = new perimeter
8x + 8y = new perimeter
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Answer and explanation:
To find : How do you write 13.8 in standard form, word form and expanded form ?
Solution :
According to place value system,
Tens Ones Tenths
1 3 8
The standard form of the number 13.8 is
The expanded form of the number 13.8 is
The word form of the number 13.8 is
13.8 = Thirteen and eight tenths.
Standard Form : 13.8 times 10^0 or just 13.8 because 10^0 is technically 1
Expanded Form : 10+3+0.8
Word Form : thirteen and eight tenths
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