Answer:
1) 25
2) (5+4)×2+6-(2×2)-1
Step-by-step explanation:
1) do exponents: 6×7-9×9+64,
do multiplication: 42-81+64,
do add & subtract: 25
2) (5+4)×2+6-(2×2)-1
(9)×2+6-(4)-1
18+6-4-1
=19
Answer:
3
Step-by-step explanation:
its always the highest exponet
Answer:
33 meters
51 meters
Step-by-step explanation:
84-18= 66
66/2= 33
33+18= 51
Check your answer:
51+33=84
10 marbles represent 50% of the marbles. To get this, turn the percent into a decimal. 50% equals 0.50. You the multiply the total amount of marbles (20) by the decimal, equaling 10 marbles.
