Let's address the questions one by one:
One tin contains 15 kg of oil. 12 tins contain ______ kg of oil.
If one tin has 15 kg, then 12 tins will have: 15 × 12 = 180 k g .
8460 ÷ 12 = ______
To divide 8460 by 12, perform the division: 8460 ÷ 12 = 705 .
There are 720 marbles in 12 bags. Each bag has ______ marbles.
Divide the total number of marbles by the number of bags: 720 ÷ 12 = 60 marbles.
306 minutes = ______ hours ______ minutes.
First, convert minutes to hours by dividing by 60: 306 ÷ 60 = 5 hours with a remainder of 6 minutes. Therefore, 306 minutes is 5 h o u rs 6 min u t es .
Write true or false: 5000 + 300 + 100 + 27 = 5337
Let's add these numbers: 5000 + 300 + 100 + 27 = 5427 . Since 5427 does not equal 5337, the statement is false .
Fill with the proper fraction: 9/7, 5/7, 10/7, = ______
Without additional context, it's unclear what specific requirement the fraction is supposed to satisfy, but these fractions are ranked from lowest to highest as: 7 5 < 7 9 < 7 10 .
990001 ______ 85672. (Fill with =, ≠, <, >)
990001 is greater than 85672. Therefore, the correct relationship is \ 85672"> 990001 > 85672 .
How many thirteens are in 221?
Divide 221 by 13: 221 ÷ 13 = 17 . So, there are 17 thirteens in 221.
In 753210, the digit 7 stands for ______.
The digit 7 is in the hundred-thousands place. Therefore, it stands for 700000.
354 candles are to be arranged equally in 10 rows. How many candles will be left?
Divide 354 by 10 to find how many will fit and the remainder: [tex]354 \div 10 = 35[/tex] with a remainder of 4. Therefore, 4 candles will be left.