1. (-4)^-6 * (-4)^7 = (-4)^(-6+7) = (-4)^1 =
B. -4
2. (3*10^6)*(8*10^-4) = (3*8)*10^(6-4) = 24*10^2 =
B. 2.4*10^3
negative exponent means how many times to divide by the number. Example: 8-1 = 1 ÷ 8 = 1/8 = 0.125. Or many divides: Example: 5-3 = 1 ÷ 5 ÷ 5 ÷ 5 = 0.008.
hope it helps
This is me cab/ticket,popcorn,drink 7.50+ 3.5+1.50+12.= 24.50
Friends if I take 3
Popcorn,drink,ticket
12.50 ×3= 37.50
So now me plus 3 friends
24.50 +37.5=62.00
The correct answer it’s 3