Answer:
65
Step-by-step explanation:
use the following equation
aₙ=a₁+(n-1)d
Where d is the common difference
n is the term
a₁ is the first term
the common difference is -3 (149-152)
this means we have
152+(30-1)*-3
Compute this and get
65
Answer:
1 * 10^3
Step-by-step explanation:
1440 can be rounded off to the nearest hundred as 1400.
1440 can be rounded off to the nearest thousand as 1000.
1000 = 1 * 10^3
Answer:
78
Step-by-step explanation:
(-5)•(-5) + 3•21= 25+ 63= 78