7 ÷ 9/10 = 7.777
a. 7 × 10/9 = 7.777
b. 1/7 ÷910 = 0.000
c. 7 × 9/10 = 6.3
d. 1/7 ÷ 10/9 = 0.128
therefore the answer is a
Step-by-step explanation:
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it will be a cylinder. with a diameter of 8 and 4 single pieces high
step-by-step explanation: