Use the commutative and associative properties to simplify the expression.30 + 15 + 70 + 40 + 85 + 60
A. 300
B. 330
C. 200
D. 215
Answer: A
Mathematics
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Divide.15.12 รท 8.4
A. 2.8 B. 18 C. 0.18 D. 1.8
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Write the quotients with positive exponents.
A. m4n3 B. (mn)7 C. m12n7 D. m2n3
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Round the decimal to the given place value.13.983, nearest tenth
A. 14.0 B. 13.9 C. 13.98 D. 14.1
Mathematics
Find the perimeter by using the appropriate formula, if 
and 
.
?
?
A. 18 ft
B. 30 ft
C. 9 ft
D. 15 ft
E. 36 ft
Mathematics