Answer:
5760
Step-by-step explanation:
(2 * 10)^6 * 0.00009
First solve inside the parentheses
20^6 * 0.00009
Then solve powers
64'000'000 * 0.00009
Solve multiplications
5760
This answer might not be the one that is asked for, as the writing is kind of vague, but if you turn this inn with explanation you will not get it wrong
7a)
x - 10 + x - 11 + 3x + 6 = 180
5x -15 = 180
5x = 195
x = 39
7b)
y = 3x + 6
y = 3(39) +6
y = 117 + 6
y = 123
800000000+40000000+5000000+300000+30000+3000+100+20+9
