Answer:
(-2)^4 = (-2) * (-2) * (-2) * (-2) = 16
↑expanded ↑standard
(-7)² = (-7) * (-7) = 49
Answer:
1) 6
2) 63 15/16
Step-by-step explanation:
1)
= 6^9 / 6^8
= 6^(9-8)
= 6^1
= 6
2)
= 2^6 - 4^5 * 4^-7
= 2^6 - 4^-2
= 2^6 - 1/4^2
= 64 - (1/16)
= (1024 - 1) / 16
= 1023/16
= 63 15/16
Answer:
A / (1 +√5) = A (1 - √5) / (1 - 5) = -A (1 - √5) / 4
Multiply numerator and denominator by (1 - √5)
Answer:
590
Step-by-step explanation:
To the ten that is nearest to 593