Answer:
1
Step-by-step explanation:
Mean x Number of gum chewers = Total bubbles
4x4=16
add us the bubbles we do know
4+5+6=15
16-15=1
Hannah blew 1
Answer:
x=-5
Step-by-step explanation:
2x-4=-14
2x=-10
x=-5
Answer:
44.1 x 10^-2
Step-by-step explanation:
Since one grain
= 7 x 10^-5
6300kg = 7 x 10^-5 x 6300
Put 6300 in standard form
7 x 10^-5 x 6.3 x 10^3
Multiply the whole numbers and add the exponents
7 x 6.3 x 10^-5 + 3
44.1 x 10^-2
There are 44.1 x 10^-2 grains of sand in 6300kg
Answer:
Step-by-step explanation:
(100-15=85%)
85=101.15 how about 100
100 x 101.15 divided by 85=118.882353
$119