Answer:
D) 72 is correct because 8 times 9 is 72! Hope this helped. :)
Answer:
11. a)50 12. a)40
Step-by-step explanation:
sum of all three angles of trinagle=180
so
111.
80+50+x=180
130+x=180
x=180-130
x=50
12.
60+90+x=180
150+x=180
x=190-150
x=40
Answer: afforestation
Step-by-step explanation:
Answer:
21 batteries 49 pens
Step-by-step explanation:
Answer:
3^4
Step-by-step explanation:
The exponent signifies the number of times the factor is repeated. Here, the factor 3 is repeated 4 times, so its exponent is 4:
3·3·3·3 = 3^4
If you have appropriate symbols available, you can also write it using a superscript: 3^4 = 3⁴.